diff --git a/cmd/policy/actions.go b/cmd/policy/actions.go
index 0d68e27a..fcd5213b 100644
--- a/cmd/policy/actions.go
+++ b/cmd/policy/actions.go
@@ -17,12 +17,14 @@ func policyGetAction(cmd *cobra.Command, args []string) {
 
 	id := c.Flags.GetOptionalID("id")
 	name := c.Flags.GetOptionalString("name")
+	// TODO: switch to required namespace if id not provided once namespacing is required by policy
+	namespace := c.Flags.GetOptionalString("namespace")
 
 	if id == "" && name == "" {
 		cli.ExitWithError("Either 'id' or 'name' must be provided", nil)
 	}
 
-	action, err := h.GetAction(cmd.Context(), id, name)
+	action, err := h.GetAction(cmd.Context(), id, name, namespace)
 	if err != nil {
 		identifier := fmt.Sprintf("id: %s", id)
 		if id == "" {
@@ -35,6 +37,7 @@ func policyGetAction(cmd *cobra.Command, args []string) {
 	rows := [][]string{
 		{"Id", action.GetId()},
 		{"Name", action.GetName()},
+		{"Namespace", action.GetNamespace().GetFqn()},
 	}
 	if mdRows := getMetadataRows(action.GetMetadata()); mdRows != nil {
 		rows = append(rows, mdRows...)
@@ -51,8 +54,9 @@ func policyListActions(cmd *cobra.Command, args []string) {
 
 	limit := c.Flags.GetRequiredInt32("limit")
 	offset := c.Flags.GetRequiredInt32("offset")
+	namespace := c.Flags.GetOptionalString("namespace")
 
-	resp, err := h.ListActions(cmd.Context(), limit, offset)
+	resp, err := h.ListActions(cmd.Context(), limit, offset, namespace)
 	if err != nil {
 		cli.ExitWithError("Failed to list actions", err)
 	}
@@ -60,6 +64,7 @@ func policyListActions(cmd *cobra.Command, args []string) {
 		cli.NewUUIDColumn(),
 		table.NewFlexColumn("name", "Name", cli.FlexColumnWidthFour),
 		table.NewFlexColumn("action_type", "Action Type", cli.FlexColumnWidthFour),
+		table.NewFlexColumn("namespace", "Namespace", cli.FlexColumnWidthFour),
 	)
 	rows := []table.Row{}
 	for _, a := range resp.GetActionsStandard() {
@@ -67,13 +72,16 @@ func policyListActions(cmd *cobra.Command, args []string) {
 			"id":          a.GetId(),
 			"action_type": "standard",
 			"name":        a.GetName(),
+			"namespace":   a.GetNamespace().GetFqn(),
 		}))
 	}
+
 	for _, a := range resp.GetActionsCustom() {
 		rows = append(rows, table.NewRow(table.RowData{
 			"id":          a.GetId(),
 			"action_type": "custom",
 			"name":        a.GetName(),
+			"namespace":   a.GetNamespace().GetFqn(),
 		}))
 	}
 
@@ -88,9 +96,10 @@ func policyCreateAction(cmd *cobra.Command, args []string) {
 	defer h.Close()
 
 	name := c.Flags.GetRequiredString("name")
+	namespace := c.Flags.GetOptionalString("namespace")
 	metadataLabels = c.Flags.GetStringSlice("label", metadataLabels, cli.FlagsStringSliceOptions{Min: 0})
 
-	action, err := h.CreateAction(cmd.Context(), name, getMetadataMutable(metadataLabels))
+	action, err := h.CreateAction(cmd.Context(), name, namespace, getMetadataMutable(metadataLabels))
 	if err != nil {
 		cli.ExitWithError("Failed to create action", err)
 	}
@@ -98,6 +107,7 @@ func policyCreateAction(cmd *cobra.Command, args []string) {
 	rows := [][]string{
 		{"Id", action.GetId()},
 		{"Name", action.GetName()},
+		{"Namespace", action.GetNamespace().GetFqn()},
 	}
 
 	if mdRows := getMetadataRows(action.GetMetadata()); mdRows != nil {
@@ -117,7 +127,7 @@ func policyDeleteAction(cmd *cobra.Command, args []string) {
 	force := c.Flags.GetOptionalBool("force")
 	ctx := cmd.Context()
 
-	action, err := h.GetAction(ctx, id, "")
+	action, err := h.GetAction(ctx, id, "", "")
 	if err != nil {
 		errMsg := fmt.Sprintf("Failed to find action (%s)", id)
 		cli.ExitWithError(errMsg, err)
@@ -130,7 +140,11 @@ func policyDeleteAction(cmd *cobra.Command, args []string) {
 		errMsg := fmt.Sprintf("Failed to delete action (%s)", id)
 		cli.ExitWithError(errMsg, err)
 	}
-	rows := [][]string{{"Id", id}, {"Name", action.GetName()}}
+	rows := [][]string{
+		{"Id", id},
+		{"Name", action.GetName()},
+		{"Namespace", action.GetNamespace().GetFqn()},
+	}
 	if mdRows := getMetadataRows(action.GetMetadata()); mdRows != nil {
 		rows = append(rows, mdRows...)
 	}
@@ -157,7 +171,11 @@ func policyUpdateAction(cmd *cobra.Command, args []string) {
 	if err != nil {
 		cli.ExitWithError("Failed to update action", err)
 	}
-	rows := [][]string{{"Id", id}, {"Name", updated.GetName()}}
+	rows := [][]string{
+		{"Id", id},
+		{"Name", updated.GetName()},
+		{"Namespace", updated.GetNamespace().GetFqn()},
+	}
 	if mdRows := getMetadataRows(updated.GetMetadata()); mdRows != nil {
 		rows = append(rows, mdRows...)
 	}
@@ -166,6 +184,15 @@ func policyUpdateAction(cmd *cobra.Command, args []string) {
 	common.HandleSuccess(cmd, id, t, updated)
 }
 
+func injectNamespaceFlag(doc *man.Doc) {
+	doc.Flags().StringP(
+		doc.GetDocFlag("namespace").Name,
+		doc.GetDocFlag("namespace").Shorthand,
+		doc.GetDocFlag("namespace").Default,
+		doc.GetDocFlag("namespace").Description,
+	)
+}
+
 func initActionsCommands() {
 	getDoc := man.Docs.GetCommand("policy/actions/get",
 		man.WithRun(policyGetAction),
@@ -182,10 +209,12 @@ func initActionsCommands() {
 		getDoc.GetDocFlag("name").Default,
 		getDoc.GetDocFlag("name").Description,
 	)
+	injectNamespaceFlag(getDoc)
 
 	listDoc := man.Docs.GetCommand("policy/actions/list",
 		man.WithRun(policyListActions),
 	)
+	injectNamespaceFlag(listDoc)
 	injectListPaginationFlags(listDoc)
 
 	createDoc := man.Docs.GetCommand("policy/actions/create",
@@ -197,6 +226,7 @@ func initActionsCommands() {
 		createDoc.GetDocFlag("name").Default,
 		createDoc.GetDocFlag("name").Description,
 	)
+	injectNamespaceFlag(createDoc)
 	injectLabelFlags(&createDoc.Command, false)
 
 	updateDoc := man.Docs.GetCommand("policy/actions/update",
diff --git a/docs/man/policy/actions/_index.md b/docs/man/policy/actions/_index.md
index 438c5c54..9c2f1725 100644
--- a/docs/man/policy/actions/_index.md
+++ b/docs/man/policy/actions/_index.md
@@ -16,11 +16,11 @@ Standard Actions in Policy are comprised of the below, and only their metadata l
 - update
 - delete
 
-Custom Actions known to Policy are admin-defined, globally unique (not namespaced), and will be lower
+Custom Actions known to Policy are admin-defined, unique within a namespace, and will be lower
 cased when stored. They may contain underscores (`_`) or hyphens (`-`) if preceded or followed
 by an alphanumeric character. For example:
 - download
 - queue-to-print
 - send_email
 
-For more information about entitlement and Subject Mappings, see the `subject-mappings` command.
\ No newline at end of file
+For more information about entitlement and Subject Mappings, see the `subject-mappings` command.
diff --git a/docs/man/policy/actions/create.md b/docs/man/policy/actions/create.md
index c7025d34..b20c6650 100644
--- a/docs/man/policy/actions/create.md
+++ b/docs/man/policy/actions/create.md
@@ -9,8 +9,11 @@ command:
   flags:
     - name: name
       shorthand: n
-      description: Name of the custom action (must be unique within Policy)
+      description: Name of the custom action (must be unique within a namespace)
       required: true
+    - name: namespace
+      shorthand: s
+      description: Namespace ID or FQN
     - name: label
       description: "Optional metadata 'labels' in the format: key=value"
       shorthand: l
@@ -20,8 +23,7 @@ command:
 Add a custom `action` to the platform Policy.
 
 An Action `name` is normalized to lower case and may contain underscores (`_`) or hyphens (`-`)
-between other alphanumeric characters. Each name must be globally unique as actions are not
-namespaced.
+between other alphanumeric characters. Each name must be unique within a namespace.
 
 For more information, see the `actions` subcommand.
 
@@ -30,6 +32,5 @@ For more information, see the `actions` subcommand.
 Create a custom action named 'install_package': 
 
 ```shell
-otdfctl policy actions create --name install_package
+otdfctl policy actions create --name install_package --namespace https://example.com
 ```
-
diff --git a/docs/man/policy/actions/get.md b/docs/man/policy/actions/get.md
index 0c451224..4ea0a107 100644
--- a/docs/man/policy/actions/get.md
+++ b/docs/man/policy/actions/get.md
@@ -11,10 +11,15 @@ command:
     - name: name
       shorthand: n
       description: Name of the action
+    - name: namespace
+      shorthand: s
+      description: Namespace ID or FQN
 ---
 
 If both `id` and `name` flag values are provided, `id` is preferred.
 
+When using `--name`, `--namespace` is required.
+
 For more information about Actions, see the manual for the `actions` subcommand.
 
 ## Example
@@ -28,5 +33,5 @@ otdfctl policy actions get --id e1402c63-eeaa-45e2-85d2-b939d135941f
 Get by Name:
 
 ```shell
-otdfctl policy actions get --name read
+otdfctl policy actions get --name read --namespace https://example.com
 ```
diff --git a/docs/man/policy/actions/list.md b/docs/man/policy/actions/list.md
index fc41472d..76e5e987 100644
--- a/docs/man/policy/actions/list.md
+++ b/docs/man/policy/actions/list.md
@@ -5,6 +5,9 @@ command:
   aliases:
     - l
   flags:
+    - name: namespace
+      shorthand: s
+      description: Namespace ID or FQN
     - name: limit
       shorthand: l
       description: Limit retrieved count
@@ -18,5 +21,5 @@ For more information about Actions, see the manual for the `actions` subcommand.
 ## Example
 
 ```shell
-otdfctl policy actions list
+otdfctl policy actions list --namespace https://example.com
 ```
diff --git a/docs/man/policy/actions/update.md b/docs/man/policy/actions/update.md
index bcae2748..5deb0856 100644
--- a/docs/man/policy/actions/update.md
+++ b/docs/man/policy/actions/update.md
@@ -11,7 +11,7 @@ command:
       required: true
     - name: name
       shorthand: n
-      description: Optional updated name of the custom action (must be unique within Policy)
+      description: Optional updated name of the custom action (must be unique within a namespace)
     - name: label
       description: "Optional metadata 'labels' in the format: key=value"
       shorthand: l
diff --git a/e2e/actions.bats b/e2e/actions.bats
index b8f2b609..95411cc2 100644
--- a/e2e/actions.bats
+++ b/e2e/actions.bats
@@ -3,11 +3,12 @@
 # Tests for actions
 
 setup_file() {
-    # TODO: Remove this file-level skip once otdfctl passes namespace flags for the namespaced action APIs.
-    skip "Temporarily disabled [namespaced-actions]: platform actions APIs now require namespace flags"
-
     export WITH_CREDS='--with-client-creds-file ./creds.json'
     export HOST='--host http://localhost:8080'
+    export ACTION_NAMESPACE_NAME='test-act.org'
+    export ACTION_NAMESPACE="https://$ACTION_NAMESPACE_NAME"
+    # create namespace first (needed for action creation)
+    export NS_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes namespaces create --name "$ACTION_NAMESPACE_NAME" --json | jq -r '.id')
 }
 
 setup() {
@@ -22,58 +23,112 @@ setup() {
 
 teardown_file() {
   # clear out all test env vars
-  unset HOST WITH_CREDS
+  # remove the namespace and cascade delete attributes and values used in registered resource values tests
+  ./otdfctl $HOST $WITH_CREDS policy attributes namespaces unsafe delete --id "$NS_ID" --force
+  unset HOST WITH_CREDS ACTION_NAMESPACE ACTION_NAMESPACE_NAME NS_ID
 }
 
+
 @test "Create a new custom action - Good" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
+  # with a namespace
+  run_otdfctl_action create --name test_action_create_namespaced --namespace "$ACTION_NAMESPACE"
+    assert_output --partial "SUCCESS"
+    assert_line --regexp "Name.*test_action_create_namespaced"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
+    assert_output --partial "Id"
+    assert_output --partial "Created At"
+    assert_line --partial "Updated At"
+
+  # cleanup
+  created_id=$(echo "$output" | grep Id | awk -F'│' '{print $3}' | xargs)
+  run_otdfctl_action delete --id $created_id --force
+
+  # without a namespace (should default to un-namespaced)
   run_otdfctl_action create --name test_action_create
     assert_output --partial "SUCCESS"
     assert_line --regexp "Name.*test_action_create"
     assert_output --partial "Id"
     assert_output --partial "Created At"
     assert_line --partial "Updated At"
+    # ensure namespace is empty for un-namespaced actions
+    refute_line --regexp "Namespace.*$ACTION_NAMESPACE"
 
-  # cleanup
   created_id=$(echo "$output" | grep Id | awk -F'│' '{print $3}' | xargs)
   run_otdfctl_action delete --id $created_id --force
 }
 
 @test "Create a new action - Bad" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
   # bad action names
-    run_otdfctl_action create --name ends_underscored_
+    run_otdfctl_action create --name ends_underscored_ --namespace "$ACTION_NAMESPACE"
         assert_failure
-    run_otdfctl_action create --name -first-char-hyphen
+    run_otdfctl_action create --name -first-char-hyphen --namespace "$ACTION_NAMESPACE"
         assert_failure
-    run_otdfctl_action create --name inval!d.chars
+    run_otdfctl_action create --name inval!d.chars --namespace "$ACTION_NAMESPACE"
         assert_failure
 
   # missing flag
-    run_otdfctl_action create
+    run_otdfctl_action create --namespace "$ACTION_NAMESPACE"
         assert_failure
         assert_output --partial "Flag '--name' is required"
+
+    # TODO: re-enable when namespace is required
+    # run_otdfctl_action create --name no_namespace
+    #     assert_failure
+    #     assert_output --partial "Flag '--namespace' is required"
   
   # conflict
+    run_otdfctl_action create -n "read" --namespace "$ACTION_NAMESPACE"
+        assert_failure
+        assert_output --partial "intended action would violate a restriction"
+    
     run_otdfctl_action create -n "read"
+        assert_failure
+        assert_output --partial "intended action would violate a restriction"
+
+  # duplicate custom action
+    run_otdfctl_action create --name test_action_conflict --namespace "$ACTION_NAMESPACE" --json
+        assert_success
+    conflict_action_id=$(echo "$output" | jq -er '.id')
+      assert_success
+    [ -n "$conflict_action_id" ]
+
+    run_otdfctl_action create --name test_action_conflict --namespace "$ACTION_NAMESPACE"
         assert_failure
         assert_output --partial "already_exists"
+
+  # cleanup
+    run_otdfctl_action delete --id "$conflict_action_id" --force
 }
 
 @test "Get an action - Good" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
-  run_otdfctl_action get --name "read"
+  run_otdfctl_action get --name "read" --namespace "$ACTION_NAMESPACE"
     assert_success
     assert_line --partial "Id"
     assert_line --regexp "Name.*read"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
 
   # get by name to retrieve the ID
-  UPDATE_ACTION_ID=$(./otdfctl policy actions get --name update --json $HOST $WITH_CREDS | jq -r '.id')
+  UPDATE_ACTION_ID=$(./otdfctl policy actions get --name update --namespace "$ACTION_NAMESPACE" --json $HOST $WITH_CREDS | jq -r '.id')
 
+  # ensure getting by id does not require namespace
   run_otdfctl_action get --id "$UPDATE_ACTION_ID" --json
     assert_success
     [ "$(echo "$output" | jq -r '.id')" = "$UPDATE_ACTION_ID" ]
     [ "$(echo "$output" | jq -r '.name')" = "update" ]
+
+  # ensure you can use the namespace id instead of the fqn
+  run_otdfctl_action get --name "read" --namespace "$NS_ID"
+    assert_success
+    assert_line --partial "Id"
+    assert_line --regexp "Name.*read"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
+
+  # ensure get without namespace still works for un-namespaced actions
+  run_otdfctl_action get --name "read"
+    assert_success
+    assert_line --partial "Id"
+    assert_line --regexp "Name.*read"
+    refute_line --regexp "Namespace.*$ACTION_NAMESPACE"
 }
 
 @test "Get an action - Bad" {
@@ -84,19 +139,34 @@ teardown_file() {
   run_otdfctl_action get --id 'testing_get'
     assert_failure
     assert_output --partial "must be a valid UUID"
+
+  # TODO: re-enable when namespace is required
+  # run_otdfctl_action get --name 'testing_get'
+  #   assert_failure
+  #   assert_output --partial "namespace' must be provided when using 'name'"
 }
 
 @test "List actions" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
-  run_otdfctl_action list  
+  run_otdfctl_action create --name test_action_list_namespaced --namespace "$ACTION_NAMESPACE" --json
+  assert_success
+  created_id=$(echo "$output" | jq -r '.id')
+  run_otdfctl_action create --name test_action_list_unnamespaced --json
+  assert_success
+  created_id_2=$(echo "$output" | jq -r '.id')
+
+  run_otdfctl_action list --namespace "$ACTION_NAMESPACE"
+    assert_output --partial "Namespace"
+    assert_output --partial "$ACTION_NAMESPACE"
     assert_output --partial "create"
     assert_output --partial "read"
     assert_output --partial "update"
     assert_output --partial "delete"
     assert_output --partial "Total"
     assert_line --regexp "Current Offset.*0"
+    assert_output --partial "test_action_list_namespaced"
+    refute_output --partial "test_action_list_unnamespaced"
   
-  run_otdfctl_action list --json
+  run_otdfctl_action list --namespace "$ACTION_NAMESPACE" --json
   assert_success
   assert_not_equal $(echo "$output" | jq -r 'pagination') "null"
   assert_output --partial "create"
@@ -105,16 +175,30 @@ teardown_file() {
   assert_output --partial "delete"
   total=$(echo "$output" | jq -r '.pagination.total')
   [[ "$total" -ge 1 ]]
+
+  # listing without namespace should succeed and should include both namespaced and un-namespaced actions (namespace field should be empty for un-namespaced actions)
+  run_otdfctl_action list
+    assert_output --partial "create"
+    assert_output --partial "read"
+    assert_output --partial "update"
+    assert_output --partial "delete"
+    assert_output --partial "Total"
+    assert_line --regexp "Current Offset.*0"
+    assert_output --partial "test_action_list_namespaced"
+    assert_output --partial "test_action_list_unnamespaced"
+
+  run_otdfctl_action delete --id $created_id --force
+  run_otdfctl_action delete --id $created_id_2 --force
 }
 
 @test "Update action" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
-  ACTION_TO_UPDATE=$(./otdfctl policy actions create --name testing_updation $HOST $WITH_CREDS --json | jq -r '.id')
+  ACTION_TO_UPDATE=$(./otdfctl policy actions create --name testing_updation --namespace "$ACTION_NAMESPACE" $HOST $WITH_CREDS --json | jq -r '.id')
   # extend labels
   run_otdfctl_action update --id "$ACTION_TO_UPDATE" -l key=value --label test=true
     assert_success
     assert_line --regexp "Id.*$ACTION_TO_UPDATE"
     assert_line --regexp "Name.*testing_updation"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
     assert_line --regexp "Labels.*key: value"
     assert_line --regexp "Labels.*test: true"
 
@@ -123,6 +207,7 @@ teardown_file() {
     assert_success
     assert_line --regexp "Id.*$ACTION_TO_UPDATE"
     assert_line --regexp "Name.*testing_updation"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
     assert_line --regexp "Labels.*key: other"
     refute_output --regexp "Labels.*key: value"
     refute_output --regexp "Labels.*test: true"
@@ -133,6 +218,7 @@ teardown_file() {
     assert_success
     assert_line --regexp "Id.*$ACTION_TO_UPDATE"
     assert_line --regexp "Name.*updated_action_in_test"
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
     refute_output --regexp "Name.*testing_updation"
 
   # clean up
@@ -140,14 +226,14 @@ teardown_file() {
 }
 
 @test "Delete action - bad" {
-  STANDARD_ACTION=$(./otdfctl policy actions get --name update $HOST $WITH_CREDS --json | jq -r '.id')
+  STANDARD_ACTION=$(./otdfctl policy actions get --name update --namespace "$ACTION_NAMESPACE" $HOST $WITH_CREDS --json | jq -r '.id')
   run_otdfctl_action delete --id "$STANDARD_ACTION" --force
     assert_failure
 }
 
 @test "Delete action - good" {
-  skip "Temporarily disabled [namespaced-actions]: actions now require namespace flags"
-  DELETABLE_ACTION=$(./otdfctl policy actions create --name testing-delete $HOST $WITH_CREDS --json | jq -r '.id')
+  DELETABLE_ACTION=$(./otdfctl policy actions create --name testing-delete --namespace "$ACTION_NAMESPACE" $HOST $WITH_CREDS --json | jq -r '.id')
   run_otdfctl_action delete --id "$DELETABLE_ACTION" --force
     assert_success
+    assert_line --regexp "Namespace.*$ACTION_NAMESPACE"
 }
diff --git a/e2e/obligations.bats b/e2e/obligations.bats
index 07a4d1f4..fdbc9fd9 100644
--- a/e2e/obligations.bats
+++ b/e2e/obligations.bats
@@ -22,9 +22,9 @@ setup_file() {
     
     # create shared actions for tests
     export ACTION_1_NAME="test_action_1"
-    export ACTION_1_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$ACTION_1_NAME" --json | jq -r '.id')
+    export ACTION_1_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$ACTION_1_NAME" --namespace "$NS_ID" --json | jq -r '.id')
     export ACTION_2_NAME="test_action_2"
-    export ACTION_2_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$ACTION_2_NAME" --json | jq -r '.id')
+    export ACTION_2_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$ACTION_2_NAME" --namespace "$NS_ID" --json | jq -r '.id')
     
     # create shared attributes for tests
     export ATTR_NAME="test_attr_for_triggers"
diff --git a/e2e/registered-resources.bats b/e2e/registered-resources.bats
index ea852953..8cf046a8 100644
--- a/e2e/registered-resources.bats
+++ b/e2e/registered-resources.bats
@@ -3,33 +3,39 @@
 # Tests for registered resources
 
 setup_file() {
-    # TODO: Remove this file-level skip once otdfctl passes namespace flags for the namespaced action APIs used by registered resource values.
-    skip "Temporarily disabled [namespaced-actions]: registered resource BATS setup still depends on pre-namespace action APIs"
-
     export WITH_CREDS='--with-client-creds-file ./creds.json'
     export HOST='--host http://localhost:8080'
 
     # create namespace first (needed for registered resource creation)
     export NS_NAME="test-rr.org"
-    export NS_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes namespaces create --name "$NS_NAME" --json | jq -r '.id')
+    NS_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes namespaces create --name "$NS_NAME" --json | jq -r '.id')
+    export NS_ID
 
     # create registered resource used in registered resource values tests
     export RR_NAME="test_rr_for_values"
-    export RR_ID=$(./otdfctl $HOST $WITH_CREDS policy registered-resources create --name "$RR_NAME" --namespace "$NS_ID" --json | jq -r '.id')
+    RR_ID=$(./otdfctl $HOST $WITH_CREDS policy registered-resources create --name "$RR_NAME" --namespace "$NS_ID" --json | jq -r '.id')
+    export RR_ID
 
     # create custom action to be used in registered resource values tests
     export CUSTOM_ACTION_NAME="test_action_for_values"
-    export CUSTOM_ACTION_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$CUSTOM_ACTION_NAME" --json | jq -r '.id')
+    CUSTOM_ACTION_ID=$(./otdfctl $HOST $WITH_CREDS policy actions create --name "$CUSTOM_ACTION_NAME" --namespace "$NS_ID" --json | jq -r '.id')
+    export CUSTOM_ACTION_ID
 
     # get standard read action id to use in registered resource values tests
+    # TODO: when RRs support passing the namespace down to the action, add --namespace "$NS_ID" 
     export READ_ACTION_NAME="read"
-    export READ_ACTION_ID=$(./otdfctl $HOST $WITH_CREDS policy actions get --name "$READ_ACTION_NAME" --json | jq -r '.id')
+    READ_ACTION_ID=$(./otdfctl $HOST $WITH_CREDS policy actions get --name "$READ_ACTION_NAME" --json | jq -r '.id')
+    export READ_ACTION_ID
     export ATTR_NAME=test_rr_attr
     attr_id=$(./otdfctl $HOST $WITH_CREDS policy attributes create --namespace "$NS_ID" --name "$ATTR_NAME" --rule ANY_OF -l key=value --json | jq -r '.id')
-    export ATTR_VAL_1_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes values create --attribute-id "$attr_id" --value test_reg_res_attr__val_1 --json | jq -r '.id')
-    export ATTR_VAL_1_FQN=$(./otdfctl $HOST $WITH_CREDS policy attributes values get --id "$ATTR_VAL_1_ID" --json | jq -r '.fqn')
-    export ATTR_VAL_2_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes values create --attribute-id "$attr_id" --value test_reg_res_attr__val_2 --json | jq -r '.id')
-    export ATTR_VAL_2_FQN=$(./otdfctl $HOST $WITH_CREDS policy attributes values get --id "$ATTR_VAL_2_ID" --json | jq -r '.fqn')
+    ATTR_VAL_1_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes values create --attribute-id "$attr_id" --value test_reg_res_attr__val_1 --json | jq -r '.id')
+    export ATTR_VAL_1_ID
+    ATTR_VAL_1_FQN=$(./otdfctl $HOST $WITH_CREDS policy attributes values get --id "$ATTR_VAL_1_ID" --json | jq -r '.fqn')
+    export ATTR_VAL_1_FQN
+    ATTR_VAL_2_ID=$(./otdfctl $HOST $WITH_CREDS policy attributes values create --attribute-id "$attr_id" --value test_reg_res_attr__val_2 --json | jq -r '.id')
+    export ATTR_VAL_2_ID
+    ATTR_VAL_2_FQN=$(./otdfctl $HOST $WITH_CREDS policy attributes values get --id "$ATTR_VAL_2_ID" --json | jq -r '.fqn')
+    export ATTR_VAL_2_FQN
 
     echo "FQN: $ATTR_VAL_1_FQN"
 }
@@ -227,7 +233,6 @@ teardown_file() {
 # Tests for registered resource values
 
 @test "Create a registered resource value - Good" {
-  skip "Temporarily disabled [namespaced-actions]: action-name validation/path is failing in CI"
   # simple by resource ID
   run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_create_rr_val
     assert_output --partial "SUCCESS"
@@ -247,7 +252,8 @@ teardown_file() {
   created_id_simple_by_res_name=$(echo "$output" | grep Id | awk -F'│' '{print $3}' | xargs)
 
   # with action attribute values
-  run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_create_rr_val_with_action_attr_vals --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_FQN\"" --action-attribute-value "\"$CUSTOM_ACTION_NAME;$ATTR_VAL_2_ID\"" --json
+  # TODO(namespaced-actions): switch custom action identifier back to name when RR action resolution is namespaced.
+  run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_create_rr_val_with_action_attr_vals --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_FQN\"" --action-attribute-value "\"$CUSTOM_ACTION_ID;$ATTR_VAL_2_ID\"" --json
     assert_success
     [ "$(echo "$output" | jq -r '.id')" != "" ]
     [ "$(echo "$output" | jq -r '.value')" = "test_create_rr_val_with_action_attr_vals" ]
@@ -301,7 +307,6 @@ teardown_file() {
 }
 
 @test "Get a registered resource value - Good" {
-  skip "Temporarily disabled [namespaced-actions]: action-name validation/path is failing in CI"
   # setup a resource value to get
   run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_get_rr_val --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_ID\""
     assert_success
@@ -348,7 +353,6 @@ teardown_file() {
 }
 
 @test "List registered resource values - Good" {
-  skip "Temporarily disabled [namespaced-actions]: dependent registered resource value setup is failing in CI"
   # setup values to list
   run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_list_rr_val_1 --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_ID\""
   reg_res_val1_id=$(echo "$output" | grep Id | awk -F'│' '{print $3}' | xargs)
@@ -400,7 +404,6 @@ teardown_file() {
 }
 
 @test "Update registered resource values" {
-  skip "Temporarily disabled [namespaced-actions]: action-name validation/path is failing in CI"
   # setup a resource value to update
   run_otdfctl_reg_res_values create --resource "$RR_ID" --value test_update_rr_val --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_ID\""
     assert_success
@@ -428,7 +431,8 @@ teardown_file() {
     [ "$(echo "$output" | jq -r 'any(.action_attribute_values[]; .action.id == "'"$READ_ACTION_ID"'" and .action.name == "'"$READ_ACTION_NAME"'" and .attribute_value.id == "'"$ATTR_VAL_1_ID"'" and .attribute_value.fqn == "'"$ATTR_VAL_1_FQN"'")')" = "true" ]
 
   # update action attribute values
-  run_otdfctl_reg_res_values update --id "$created_id" --action-attribute-value "\"$READ_ACTION_NAME;$ATTR_VAL_1_FQN\"" --action-attribute-value "\"$CUSTOM_ACTION_ID;$ATTR_VAL_2_ID\"" --force --json
+  # TODO(namespaced-actions): switch action identifiers back to names when RR action resolution is namespaced.
+  run_otdfctl_reg_res_values update --id "$created_id" --action-attribute-value "\"$READ_ACTION_ID;$ATTR_VAL_1_FQN\"" --action-attribute-value "\"$CUSTOM_ACTION_ID;$ATTR_VAL_2_ID\"" --force --json
     assert_success
     [ "$(echo "$output" | jq -r '.id')" = "$created_id" ]
     [ "$(echo "$output" | jq -r 'any(.action_attribute_values[]; .action.id == "'"$READ_ACTION_ID"'" and .action.name == "'"$READ_ACTION_NAME"'" and .attribute_value.id == "'"$ATTR_VAL_1_ID"'" and .attribute_value.fqn == "'"$ATTR_VAL_1_FQN"'")')" = "true" ]
diff --git a/go.mod b/go.mod
index 73679967..34f6368e 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/opentdf/platform/lib/flattening v0.1.3
 	github.com/opentdf/platform/lib/identifier v0.3.0
 	github.com/opentdf/platform/lib/ocrypto v0.10.0
-	github.com/opentdf/platform/protocol/go v0.18.0
+	github.com/opentdf/platform/protocol/go v0.19.0
 	github.com/opentdf/platform/sdk v0.13.0
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
diff --git a/go.sum b/go.sum
index e88219fb..76c3d353 100644
--- a/go.sum
+++ b/go.sum
@@ -244,8 +244,8 @@ github.com/opentdf/platform/lib/identifier v0.3.0 h1:kLVRVC8wE0kmuEIdodEhqIRym5O
 github.com/opentdf/platform/lib/identifier v0.3.0/go.mod h1:3RlXYY9sxH/VnMkgm/M6zryUrtBL0lnsOVyqb0hYYvs=
 github.com/opentdf/platform/lib/ocrypto v0.10.0 h1:7dn/z/1qH3p+gWCrfOoU7hj9XF/p5N+b2JBJuWF9aK0=
 github.com/opentdf/platform/lib/ocrypto v0.10.0/go.mod h1:WASkoHreqgTFImB/gJW42VTdpi9AkgkmaW19y/fU+Ew=
-github.com/opentdf/platform/protocol/go v0.18.0 h1:7mpdQI4PiU8YQds7TXvmm8Hmj6JVDTiPgwpB5k2pOEg=
-github.com/opentdf/platform/protocol/go v0.18.0/go.mod h1:jeDa0o2jce1yELNxZ92hscz0mxxqq7GtqC9EoYCpNW0=
+github.com/opentdf/platform/protocol/go v0.19.0 h1:R3+1/doB5S53w4d3ApN2JuapWCXCSK3CYhXXrU6eZ9g=
+github.com/opentdf/platform/protocol/go v0.19.0/go.mod h1:jeDa0o2jce1yELNxZ92hscz0mxxqq7GtqC9EoYCpNW0=
 github.com/opentdf/platform/sdk v0.13.0 h1:jhhCLE1Y57Y20g6TUEg/zqCfid8m4KPfbaaBlg6oAsM=
 github.com/opentdf/platform/sdk v0.13.0/go.mod h1:x80F65+dGzxDTq8iqVIbCrbDDB9oYCYGjh4duoH6biM=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
diff --git a/pkg/handlers/actions.go b/pkg/handlers/actions.go
index 701b8ded..7f8db58d 100644
--- a/pkg/handlers/actions.go
+++ b/pkg/handlers/actions.go
@@ -8,7 +8,7 @@ import (
 	"github.com/opentdf/platform/protocol/go/policy/actions"
 )
 
-func (h Handler) GetAction(ctx context.Context, id string, name string) (*policy.Action, error) {
+func (h Handler) GetAction(ctx context.Context, id string, name string, namespace string) (*policy.Action, error) {
 	req := &actions.GetActionRequest{}
 	if id != "" {
 		req.Identifier = &actions.GetActionRequest_Id{
@@ -20,6 +20,8 @@ func (h Handler) GetAction(ctx context.Context, id string, name string) (*policy
 		}
 	}
 
+	req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
+
 	resp, err := h.sdk.Actions.GetAction(ctx, req)
 	if err != nil {
 		return nil, err
@@ -28,20 +30,26 @@ func (h Handler) GetAction(ctx context.Context, id string, name string) (*policy
 	return resp.GetAction(), nil
 }
 
-func (h Handler) ListActions(ctx context.Context, limit, offset int32) (*actions.ListActionsResponse, error) {
-	return h.sdk.Actions.ListActions(ctx, &actions.ListActionsRequest{
+func (h Handler) ListActions(ctx context.Context, limit, offset int32, namespace string) (*actions.ListActionsResponse, error) {
+	req := &actions.ListActionsRequest{
 		Pagination: &policy.PageRequest{
 			Limit:  limit,
 			Offset: offset,
 		},
-	})
+	}
+	req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
+
+	return h.sdk.Actions.ListActions(ctx, req)
 }
 
-func (h Handler) CreateAction(ctx context.Context, name string, metadata *common.MetadataMutable) (*policy.Action, error) {
-	resp, err := h.sdk.Actions.CreateAction(ctx, &actions.CreateActionRequest{
+func (h Handler) CreateAction(ctx context.Context, name string, namespace string, metadata *common.MetadataMutable) (*policy.Action, error) {
+	req := &actions.CreateActionRequest{
 		Name:     name,
 		Metadata: metadata,
-	})
+	}
+	req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
+
+	resp, err := h.sdk.Actions.CreateAction(ctx, req)
 	if err != nil {
 		return nil, err
 	}
@@ -59,7 +67,7 @@ func (h Handler) UpdateAction(ctx context.Context, id, name string, metadata *co
 	if err != nil {
 		return nil, err
 	}
-	return h.GetAction(ctx, id, "")
+	return h.GetAction(ctx, id, "", "")
 }
 
 func (h Handler) DeleteAction(ctx context.Context, id string) error {
diff --git a/pkg/handlers/namespaces.go b/pkg/handlers/namespaces.go
index 4df71f81..6cc2284c 100644
--- a/pkg/handlers/namespaces.go
+++ b/pkg/handlers/namespaces.go
@@ -11,6 +11,13 @@ import (
 	"github.com/opentdf/platform/protocol/go/policy/unsafe"
 )
 
+func getNamespaceIDAndFQN(namespace string) (string, string) {
+	if _, err := uuid.Parse(namespace); err != nil {
+		return "", namespace
+	}
+	return namespace, ""
+}
+
 func (h Handler) GetNamespace(ctx context.Context, identifier string) (*policy.Namespace, error) {
 	req := &namespaces.GetNamespaceRequest{
 		Identifier: &namespaces.GetNamespaceRequest_NamespaceId{
diff --git a/pkg/handlers/obligations.go b/pkg/handlers/obligations.go
index 5de0d61c..59373ae2 100644
--- a/pkg/handlers/obligations.go
+++ b/pkg/handlers/obligations.go
@@ -37,13 +37,7 @@ func (h Handler) CreateObligation(ctx context.Context, namespace, name string, v
 		Values:   values,
 		Metadata: metadata,
 	}
-
-	_, err := uuid.Parse(namespace)
-	if err != nil {
-		req.NamespaceFqn = namespace
-	} else {
-		req.NamespaceId = namespace
-	}
+	req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 
 	resp, err := h.sdk.Obligations.CreateObligation(ctx, req)
 	if err != nil {
@@ -77,12 +71,7 @@ func (h Handler) ListObligations(ctx context.Context, limit, offset int32, names
 		},
 	}
 	if namespace != "" {
-		_, err := uuid.Parse(namespace)
-		if err != nil {
-			req.NamespaceFqn = namespace
-		} else {
-			req.NamespaceId = namespace
-		}
+		req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 	}
 	return h.sdk.Obligations.ListObligations(ctx, req)
 }
@@ -237,12 +226,7 @@ func (h Handler) ListObligationTriggers(ctx context.Context, namespace string, l
 	}
 
 	if namespace != "" {
-		_, err := uuid.Parse(namespace)
-		if err != nil {
-			req.NamespaceFqn = namespace
-		} else {
-			req.NamespaceId = namespace
-		}
+		req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 	}
 
 	return h.sdk.Obligations.ListObligationTriggers(ctx, req)
diff --git a/pkg/handlers/registeredResources.go b/pkg/handlers/registeredResources.go
index 19b65a1f..cbbcc74e 100644
--- a/pkg/handlers/registeredResources.go
+++ b/pkg/handlers/registeredResources.go
@@ -3,7 +3,6 @@ package handlers
 import (
 	"context"
 
-	"github.com/google/uuid"
 	"github.com/opentdf/platform/protocol/go/common"
 	"github.com/opentdf/platform/protocol/go/policy"
 	"github.com/opentdf/platform/protocol/go/policy/registeredresources"
@@ -20,12 +19,7 @@ func (h Handler) CreateRegisteredResource(ctx context.Context, namespace, name s
 		Metadata: metadata,
 	}
 
-	_, err := uuid.Parse(namespace)
-	if err != nil {
-		req.NamespaceFqn = namespace
-	} else {
-		req.NamespaceId = namespace
-	}
+	req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 
 	resp, err := h.sdk.RegisteredResources.CreateRegisteredResource(ctx, req)
 	if err != nil {
@@ -47,12 +41,7 @@ func (h Handler) GetRegisteredResource(ctx context.Context, id, name, namespace
 		}
 	}
 	if namespace != "" {
-		_, err := uuid.Parse(namespace)
-		if err != nil {
-			req.NamespaceFqn = namespace
-		} else {
-			req.NamespaceId = namespace
-		}
+		req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 	}
 
 	resp, err := h.sdk.RegisteredResources.GetRegisteredResource(ctx, req)
@@ -71,12 +60,7 @@ func (h Handler) ListRegisteredResources(ctx context.Context, limit, offset int3
 		},
 	}
 	if namespace != "" {
-		_, err := uuid.Parse(namespace)
-		if err != nil {
-			req.NamespaceFqn = namespace
-		} else {
-			req.NamespaceId = namespace
-		}
+		req.NamespaceId, req.NamespaceFqn = getNamespaceIDAndFQN(namespace)
 	}
 	return h.sdk.RegisteredResources.ListRegisteredResources(ctx, req)
 }