diff --git a/app/controllers/test/ipp_controller.rb b/app/controllers/test/ipp_controller.rb
index d7b5552eada..4bcc3bbab83 100644
--- a/app/controllers/test/ipp_controller.rb
+++ b/app/controllers/test/ipp_controller.rb
@@ -4,12 +4,11 @@ module Test
   class IppController < ApplicationController
     layout 'no_card'
 
-    before_action :render_not_found_in_production
+    before_action :authorize
+    before_action :confirm_two_factor_authenticated
 
     def index
-      @enrollments = InPersonEnrollment
-        .order(created_at: :desc)
-        .limit(10)
+      @enrollments = Rails.env.development? ? all_enrollments : enrollments_for_current_user
 
       @enrollments_with_actions = @enrollments.map do |e|
         case e.status
@@ -20,11 +19,12 @@ def index
     end
 
     def update
-      enrollment_id = params['enrollment'].to_i
-      enrollment = InPersonEnrollment.find(enrollment_id)
+      enrollment = Rails.env.development? ? enrollment_for_id : enrollment_for_current_user
 
       if enrollment.present?
         approve_enrollment(enrollment)
+      else
+        flash[:error] = "Could not find pending IPP enrollment with ID #{enrollment_id}"
       end
 
       redirect_to test_ipp_url
@@ -32,6 +32,31 @@ def update
 
     private
 
+    def enrollments_for_current_user
+      InPersonEnrollment
+        .order(created_at: :desc)
+        .where(user_id: current_user&.id)
+    end
+
+    def all_enrollments
+      InPersonEnrollment
+        .includes(:user)
+        .order(created_at: :desc)
+        .limit(10)
+    end
+
+    def enrollment_for_current_user
+      InPersonEnrollment.find_by(id: enrollment_id, user_id: current_user&.id)
+    end
+
+    def enrollment_for_id
+      InPersonEnrollment.find_by(id: enrollment_id)
+    end
+
+    def enrollment_id
+      params['enrollment'].to_i
+    end
+
     def approve_enrollment(enrollment)
       return if !enrollment.pending?
 
@@ -52,8 +77,9 @@ def approve_enrollment(enrollment)
       job.send(:process_enrollment_response, enrollment, res)
     end
 
-    def render_not_found_in_production
-      return unless Rails.env.production?
+    def authorize
+      return if FeatureManagement.allow_ipp_enrollment_approval?
+
       render_not_found
     end
   end
diff --git a/app/views/test/ipp/index.html.erb b/app/views/test/ipp/index.html.erb
index b9bef3a6e14..535a27eacc9 100644
--- a/app/views/test/ipp/index.html.erb
+++ b/app/views/test/ipp/index.html.erb
@@ -6,16 +6,16 @@
 
 <div class="grid-row grid-gap margin-top-2 flex-align-stretch">
   <div class="tablet:grid-col-12">
-    <% if @enrollments.count == 0 %>
+    <% if @enrollments.size == 0 %>
       <p>
           There are no recent in-person enrollments.
       </p>
     <% else %>
       <p>
         Listed below 
-        <%= @enrollments.count == 1 ? 'is' : 'are' %> 
-        the <%= @enrollments.count %> most recent 
-        in-person enrollment<%= @enrollments.count == 1 ? '' : 's' %>.
+        <%= @enrollments.size == 1 ? 'is' : 'are' %>
+        the <%= @enrollments.size %> most recent
+        in-person enrollment<%= @enrollments.size == 1 ? '' : 's' %>.
       </p>
 
       <table class="bg-white" border="0" cellpadding="0" cellspacing="0">
diff --git a/config/application.yml.default b/config/application.yml.default
index 95e0b75806d..a5b26f065f1 100644
--- a/config/application.yml.default
+++ b/config/application.yml.default
@@ -188,6 +188,7 @@ in_person_email_reminder_early_benchmark_in_days: 11
 in_person_email_reminder_final_benchmark_in_days: 1
 in_person_email_reminder_late_benchmark_in_days: 4
 in_person_enrollment_validity_in_days: 30
+in_person_enrollments_immediate_approval_enabled: false
 in_person_enrollments_ready_job_cron: '0/10 * * * *'
 in_person_enrollments_ready_job_email_body_pattern: '\A\s*(?<enrollment_code>\d{16})\s*\Z'
 in_person_enrollments_ready_job_enabled: false
@@ -484,6 +485,7 @@ development:
   hmac_fingerprinter_key: a2c813d4dca919340866ba58063e4072adc459b767a74cf2666d5c1eef3861db26708e7437abde1755eb24f4034386b0fea1850a1cb7e56bff8fae3cc6ade96c
   hmac_fingerprinter_key_queue: '["11111111111111111111111111111111", "22222222222222222222222222222222"]'
   identity_pki_local_dev: true
+  in_person_enrollments_immediate_approval_enabled: true
   in_person_proofing_enabled: true
   in_person_proofing_enforce_tmx: true
   in_person_proofing_opt_in_enabled: true
diff --git a/lib/feature_management.rb b/lib/feature_management.rb
index a34a2ec6ef7..797b1ef47e3 100644
--- a/lib/feature_management.rb
+++ b/lib/feature_management.rb
@@ -174,4 +174,11 @@ def self.idv_by_mail_only?
       outage_status.any_phone_vendor_outage? ||
       outage_status.phone_finder_outage?
   end
+
+  # This feature allows pending IPP enrollments to be approved immediately, as
+  # opposed to having to wait close to 2 hours, which is not ideal when testing.
+  # See test/ipp_controller.rb
+  def self.allow_ipp_enrollment_approval?
+    IdentityConfig.store.in_person_enrollments_immediate_approval_enabled
+  end
 end
diff --git a/lib/identity_config.rb b/lib/identity_config.rb
index 48a1033d3bf..40dd60d35f0 100644
--- a/lib/identity_config.rb
+++ b/lib/identity_config.rb
@@ -214,6 +214,7 @@ def self.store
     config.add(:in_person_email_reminder_final_benchmark_in_days, type: :integer)
     config.add(:in_person_email_reminder_late_benchmark_in_days, type: :integer)
     config.add(:in_person_enrollment_validity_in_days, type: :integer)
+    config.add(:in_person_enrollments_immediate_approval_enabled, type: :boolean)
     config.add(:in_person_enrollments_ready_job_cron, type: :string)
     config.add(:in_person_enrollments_ready_job_email_body_pattern, type: :string)
     config.add(:in_person_enrollments_ready_job_enabled, type: :boolean)
diff --git a/spec/controllers/test/ipp_controller_spec.rb b/spec/controllers/test/ipp_controller_spec.rb
new file mode 100644
index 00000000000..77603324704
--- /dev/null
+++ b/spec/controllers/test/ipp_controller_spec.rb
@@ -0,0 +1,124 @@
+require 'rails_helper'
+
+RSpec.describe Test::IppController do
+  describe 'GET index' do
+    context 'when allow_ipp_enrollment_approval? is true' do
+      it 'renders enrollments' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+
+        stub_sign_in
+        get :index
+
+        expect(response.status).to eq 200
+        expect(response).to_not be_redirect
+        expect(subject).to render_template(:index)
+      end
+    end
+
+    context 'when allow_ipp_enrollment_approval? is false' do
+      it 'renders 404' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(false)
+
+        stub_sign_in
+        get :index
+
+        expect(response.status).to eq 404
+        expect(response).to render_template('pages/page_not_found')
+      end
+    end
+  end
+
+  describe 'PUT update' do
+    context 'when allow_ipp_enrollment_approval? is true and pending enrollment is found' do
+      it 'updates the enrollment via a background job' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+        allow(Rails.env).to receive(:development?).and_return(true)
+
+        create(
+          :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+        )
+        job = instance_double(GetUspsProofingResultsJob)
+        allow(GetUspsProofingResultsJob).to receive(:new).and_return(job)
+        allow(job).to receive(:send).and_return(true)
+
+        stub_sign_in
+        put :update, params: { enrollment: InPersonEnrollment.last.id.to_s }
+
+        expect(response).to redirect_to test_ipp_url
+        expect(job).to have_received(:send)
+      end
+    end
+
+    context 'when allow_ipp_enrollment_approval? is true but enrollment is not found' do
+      it 'redirects to ipp_test_url with flash error' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+        allow(Rails.env).to receive(:development?).and_return(true)
+
+        stub_sign_in
+        put :update, params: { enrollment: '1' }
+
+        expect(response).to redirect_to test_ipp_url
+        expect(flash[:error]).to eq 'Could not find pending IPP enrollment with ID 1'
+      end
+    end
+
+    context 'when Rails env is not development and enrollment id belongs to current user' do
+      it 'updates the enrollment via a background job' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+        allow(Rails.env).to receive(:development?).and_return(false)
+
+        user = create(
+          :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+        )
+        job = instance_double(GetUspsProofingResultsJob)
+        allow(GetUspsProofingResultsJob).to receive(:new).and_return(job)
+        allow(job).to receive(:send).and_return(true)
+
+        stub_sign_in(user)
+        put :update, params: { enrollment: InPersonEnrollment.last.id.to_s }
+
+        expect(response).to redirect_to test_ipp_url
+        expect(job).to have_received(:send)
+      end
+    end
+
+    context 'when Rails env is not development and enrollment id does not belong to current user' do
+      it 'does not update the enrollment' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+        allow(Rails.env).to receive(:development?).and_return(false)
+
+        first_user = create(
+          :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+        )
+        second_user = create(
+          :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+        )
+        job = instance_double(GetUspsProofingResultsJob)
+        allow(GetUspsProofingResultsJob).to receive(:new).and_return(job)
+        allow(job).to receive(:send).and_return(true)
+
+        enrollment_id_for_first_user = InPersonEnrollment.find_by(user_id: first_user.id).id
+
+        stub_sign_in(second_user)
+        put :update, params: { enrollment: enrollment_id_for_first_user }
+
+        expect(response).to redirect_to test_ipp_url
+        expect(job).not_to have_received(:send)
+        expect(flash[:error])
+          .to eq "Could not find pending IPP enrollment with ID #{enrollment_id_for_first_user}"
+      end
+    end
+
+    context 'when allow_ipp_enrollment_approval? is false' do
+      it 'renders 404' do
+        allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(false)
+
+        stub_sign_in
+        put :update
+
+        expect(response.status).to eq 404
+        expect(response).to render_template('pages/page_not_found')
+      end
+    end
+  end
+end
diff --git a/spec/features/test/approving_pending_ipp_enrollments_spec.rb b/spec/features/test/approving_pending_ipp_enrollments_spec.rb
new file mode 100644
index 00000000000..fb0c44a09c3
--- /dev/null
+++ b/spec/features/test/approving_pending_ipp_enrollments_spec.rb
@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+RSpec.describe 'Approving Pending IPP Enrollments' do
+  context 'when Rails env is not development' do
+    it 'only shows pending enrollments for the current user' do
+      allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+
+      first_user = create(
+        :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+      )
+      second_user = create(
+        :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+      )
+
+      sign_in_and_2fa_user(first_user)
+      visit test_ipp_path
+
+      expect(page).to have_content(first_user.uuid)
+      expect(page).not_to have_content(second_user.uuid)
+    end
+  end
+
+  context 'when Rails env is development' do
+    it 'shows all pending enrollments', allow_browser_log: true do
+      allow(FeatureManagement).to receive(:allow_ipp_enrollment_approval?).and_return(true)
+      allow(Rails.env).to receive(:development?).and_return(true)
+
+      first_user = create(
+        :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+      )
+      second_user = create(
+        :user, :with_phone, :with_pending_in_person_enrollment, password: 'p@assword!'
+      )
+
+      sign_in_and_2fa_user(second_user)
+      visit test_ipp_path
+
+      expect(page).to have_content(first_user.uuid)
+      expect(page).to have_content(second_user.uuid)
+    end
+  end
+end
diff --git a/spec/lib/feature_management_spec.rb b/spec/lib/feature_management_spec.rb
index f5c88b2fe6c..e1482a2a31e 100644
--- a/spec/lib/feature_management_spec.rb
+++ b/spec/lib/feature_management_spec.rb
@@ -537,4 +537,26 @@
       end
     end
   end
+
+  describe 'allow_ipp_enrollment_approval?' do
+    context 'when IdentityConfig.store.in_person_enrollments_immediate_approval_enabled is true' do
+      it 'returns true' do
+        allow(IdentityConfig.store).to receive(:in_person_enrollments_immediate_approval_enabled)
+          .and_return(true)
+        allow(Rails.env).to receive(:production?).and_return(true)
+
+        expect(FeatureManagement.allow_ipp_enrollment_approval?).to eq true
+      end
+    end
+
+    context 'when IdentityConfig.store.in_person_enrollments_immediate_approval_enabled is false' do
+      it 'returns false' do
+        allow(IdentityConfig.store).to receive(:in_person_enrollments_immediate_approval_enabled)
+          .and_return(false)
+        allow(Rails.env).to receive(:production?).and_return(true)
+
+        expect(FeatureManagement.allow_ipp_enrollment_approval?).to eq false
+      end
+    end
+  end
 end