diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/stable/2026-02-06/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/stable/2026-02-06/blob.json
index d2c1ab395f03..9a62ecb319f2 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/stable/2026-02-06/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/stable/2026-02-06/blob.json
@@ -9562,6 +9562,18 @@
           },
           {
             "$ref": "#/parameters/LeaseIdOptional"
+          },
+          {
+            "$ref": "#/parameters/IfBlobModifiedSince"
+          },
+          {
+            "$ref": "#/parameters/IfBlobUnmodifiedSince"
+          },
+          {
+            "$ref": "#/parameters/IfBlobMatch"
+          },
+          {
+            "$ref": "#/parameters/IfBlobNoneMatch"
           }
         ],
         "responses": {
@@ -9638,6 +9650,18 @@
           {
             "$ref": "#/parameters/LeaseIdOptional"
           },
+          {
+            "$ref": "#/parameters/IfBlobModifiedSince"
+          },
+          {
+            "$ref": "#/parameters/IfBlobUnmodifiedSince"
+          },
+          {
+            "$ref": "#/parameters/IfBlobMatch"
+          },
+          {
+            "$ref": "#/parameters/IfBlobNoneMatch"
+          },
           {
             "$ref": "#/parameters/BlobTagsBody"
           }
@@ -12076,6 +12100,56 @@
       },
       "description": "Specify a SQL where clause on blob tags to operate only on blobs with a matching value."
     },
+    "IfBlobMatch": {
+      "name": "x-ms-blob-if-match",
+      "x-ms-client-name": "ifMatch",
+      "in": "header",
+      "required": false,
+      "type": "string",
+      "x-ms-parameter-location": "method",
+      "x-ms-parameter-grouping": {
+        "name": "blob-modified-access-conditions"
+      },
+      "description": "Specify an ETag value to operate only on blobs with a matching value."
+    },
+    "IfBlobModifiedSince": {
+      "name": "x-ms-blob-if-modified-since",
+      "x-ms-client-name": "ifModifiedSince",
+      "in": "header",
+      "required": false,
+      "type": "string",
+      "format": "date-time-rfc1123",
+      "x-ms-parameter-location": "method",
+      "x-ms-parameter-grouping": {
+        "name": "blob-modified-access-conditions"
+      },
+      "description": "Specify this header value to operate only on a blob if it has been modified since the specified date/time."
+    },
+    "IfBlobNoneMatch": {
+      "name": "x-ms-blob-if-none-match",
+      "x-ms-client-name": "ifNoneMatch",
+      "in": "header",
+      "required": false,
+      "type": "string",
+      "x-ms-parameter-location": "method",
+      "x-ms-parameter-grouping": {
+        "name": "blob-modified-access-conditions"
+      },
+      "description": "Specify an ETag value to operate only on blobs without a matching value."
+    },
+    "IfBlobUnmodifiedSince": {
+      "name": "x-ms-blob-if-unmodified-since",
+      "x-ms-client-name": "ifUnmodifiedSince",
+      "in": "header",
+      "required": false,
+      "type": "string",
+      "format": "date-time-rfc1123",
+      "x-ms-parameter-location": "method",
+      "x-ms-parameter-grouping": {
+        "name": "blob-modified-access-conditions"
+      },
+      "description": "Specify this header value to operate only on a blob if it has not been modified since the specified date/time."
+    },
     "ImmutabilityPolicyExpiry": {
       "name": "x-ms-immutability-policy-until-date",
       "x-ms-client-name": "immutabilityPolicyExpiry",