diff --git a/src/applications/claims-status/components/claim-document-request-pages/Automated5103Notice.jsx b/src/applications/claims-status/components/claim-document-request-pages/Automated5103Notice.jsx
index ef38e3b6c66a..48656e04c1ad 100644
--- a/src/applications/claims-status/components/claim-document-request-pages/Automated5103Notice.jsx
+++ b/src/applications/claims-status/components/claim-document-request-pages/Automated5103Notice.jsx
@@ -58,7 +58,7 @@ function Automated5103Notice({
     return null;
   }
   return (
-    <div id="automated-5103-notice-page">
+    <div id="automated-5103-notice-page" className="vads-u-margin-bottom--3">
       <h1 className="vads-u-margin-top--0 vads-u-margin-bottom--2">
         5103 Evidence Notice
       </h1>
diff --git a/src/applications/claims-status/components/claim-document-request-pages/DefaultPage.jsx b/src/applications/claims-status/components/claim-document-request-pages/DefaultPage.jsx
index 8e6e7d842451..90d6effc2145 100644
--- a/src/applications/claims-status/components/claim-document-request-pages/DefaultPage.jsx
+++ b/src/applications/claims-status/components/claim-document-request-pages/DefaultPage.jsx
@@ -24,7 +24,7 @@ export default function DefaultPage({
   uploading,
 }) {
   return (
-    <div id="default-page">
+    <div id="default-page" className="vads-u-margin-bottom--3">
       <h1 className="claims-header">Request for {item.displayName}</h1>
       {item.status === 'NEEDED_FROM_YOU' ? (
         <DueDate date={item.suspenseDate} />
diff --git a/src/applications/claims-status/components/claim-status-tab/RecentActivity.jsx b/src/applications/claims-status/components/claim-status-tab/RecentActivity.jsx
index d476425b3fab..f88769e93348 100644
--- a/src/applications/claims-status/components/claim-status-tab/RecentActivity.jsx
+++ b/src/applications/claims-status/components/claim-status-tab/RecentActivity.jsx
@@ -14,6 +14,9 @@ import {
 
 export default function RecentActivity({ claim }) {
   const { TOGGLE_NAMES, useToggleValue } = useFeatureToggle();
+  const cst5103UpdateEnabled = useToggleValue(
+    TOGGLE_NAMES.cst5103UpdateEnabled,
+  );
   const cstClaimPhasesEnabled = useToggleValue(TOGGLE_NAMES.cstClaimPhases);
   // When feature flag cstClaimPhases is enabled and claim type code is for a disability
   // compensation claim we show 8 phases instead of 5 with updated description, link text
@@ -45,18 +48,29 @@ export default function RecentActivity({ claim }) {
     }
   };
 
+  const is5103Notice = item => {
+    return (
+      item.displayName === 'Automated 5103 Notice Response' ||
+      item.displayName === '5103 Notice Response'
+    );
+  };
+
   const getTrackedItemDescription = item => {
+    const displayName =
+      is5103Notice(item) && cst5103UpdateEnabled
+        ? '5103 Evidence Notice'
+        : item.displayName;
     switch (item.status) {
       case 'NEEDED_FROM_YOU':
       case 'NEEDED_FROM_OTHERS':
-        return `We opened a request for "${item.displayName}"`;
+        return `We opened a request for "${displayName}"`;
       case 'NO_LONGER_REQUIRED':
-        return `We closed a request for "${item.displayName}"`;
+        return `We closed a request for "${displayName}"`;
       case 'SUBMITTED_AWAITING_REVIEW':
-        return `We received your document(s) for "${item.displayName}"`;
+        return `We received your document(s) for "${displayName}"`;
       case 'INITIAL_REVIEW_COMPLETE':
       case 'ACCEPTED':
-        return `We completed a review for "${item.displayName}"`;
+        return `We completed a review for "${displayName}"`;
       default:
         return 'There was an update to this item';
     }
diff --git a/src/applications/claims-status/tests/components/claim-status-tab/RecentActivity.unit.spec.jsx b/src/applications/claims-status/tests/components/claim-status-tab/RecentActivity.unit.spec.jsx
index 0f419212c87f..311d4c782dc3 100644
--- a/src/applications/claims-status/tests/components/claim-status-tab/RecentActivity.unit.spec.jsx
+++ b/src/applications/claims-status/tests/components/claim-status-tab/RecentActivity.unit.spec.jsx
@@ -8,11 +8,16 @@ import { $ } from '@department-of-veterans-affairs/platform-forms-system/ui';
 import RecentActivity from '../../../components/claim-status-tab/RecentActivity';
 import { renderWithRouter } from '../../utils';
 
-const getStore = (cstClaimPhasesEnabled = false) =>
+const getStore = (
+  cstClaimPhasesEnabled = false,
+  cst5103UpdateEnabled = false,
+) =>
   createStore(() => ({
     featureToggles: {
       // eslint-disable-next-line camelcase
       cst_claim_phases: cstClaimPhasesEnabled,
+      // eslint-disable-next-line camelcase
+      cst_5103_update_enabled: cst5103UpdateEnabled,
     },
   }));
 
@@ -322,6 +327,59 @@ const openClaimStep4WithMultipleItems = {
   },
 };
 
+const openClaimStep4WithAuto5103Notice = {
+  attributes: {
+    claimDate: '2024-05-02',
+    claimPhaseDates: {
+      phaseChangeDate: '2024-05-22',
+      currentPhaseBack: false,
+      latestPhaseType: 'REVIEW_OF_EVIDENCE',
+      previousPhases: {
+        phase1CompleteDate: '2024-05-10',
+        phase2CompleteDate: '2024-05-22',
+        phase3CompleteDate: '2024-06-07',
+      },
+    },
+    claimTypeCode: '110LCMP7IDES',
+    trackedItems: [
+      {
+        id: 1,
+        requestedDate: '2024-05-12',
+        status: 'NEEDED_FROM_YOU',
+        suspenseDate: '2024-08-07',
+        displayName: 'Automated 5103 Notice Response',
+      },
+    ],
+  },
+};
+
+const openClaimStep4WithClosed5103Notice = {
+  attributes: {
+    claimDate: '2024-05-02',
+    claimPhaseDates: {
+      phaseChangeDate: '2024-05-22',
+      currentPhaseBack: false,
+      latestPhaseType: 'REVIEW_OF_EVIDENCE',
+      previousPhases: {
+        phase1CompleteDate: '2024-05-10',
+        phase2CompleteDate: '2024-05-22',
+        phase3CompleteDate: '2024-06-07',
+      },
+    },
+    claimTypeCode: '110LCMP7IDES',
+    trackedItems: [
+      {
+        id: 1,
+        requestedDate: '2024-05-12',
+        status: 'NO_LONGER_REQUIRED',
+        suspenseDate: '2024-08-07',
+        displayName: '5103 Notice Response',
+        closedDate: '2024-06-12',
+      },
+    ],
+  },
+};
+
 describe('<RecentActivity>', () => {
   context('when cstClaimPhasesEnabled enabled', () => {
     context('when claim doesn’t have trackedItems', () => {
@@ -553,6 +611,106 @@ describe('<RecentActivity>', () => {
           expect(pagination).to.exist;
           expect(pagination.pages).to.equal(2);
         });
+        context(
+          'when cst5103UpdateEnabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(true, true)}>
+                  <RecentActivity claim={openClaimStep4WithAuto5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(5);
+              getByText('We received your claim in our system');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText('Your claim moved into Step 3: Evidence gathering');
+              getByText('Your claim moved into Step 4: Evidence review');
+              getByText('Request for you');
+              getByText('We opened a request for "5103 Evidence Notice"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled disabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(true, false)}>
+                  <RecentActivity claim={openClaimStep4WithAuto5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(5);
+              getByText('We received your claim in our system');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText('Your claim moved into Step 3: Evidence gathering');
+              getByText('Your claim moved into Step 4: Evidence review');
+              getByText('Request for you');
+              getByText(
+                'We opened a request for "Automated 5103 Notice Response"',
+              );
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled and has a closed 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(true, true)}>
+                  <RecentActivity claim={openClaimStep4WithClosed5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(5);
+              getByText('We received your claim in our system');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText('Your claim moved into Step 3: Evidence gathering');
+              getByText('Your claim moved into Step 4: Evidence review');
+              getByText('We closed a request for "5103 Evidence Notice"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled disabled and has a closed 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(true, false)}>
+                  <RecentActivity claim={openClaimStep4WithClosed5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(5);
+              getByText('We received your claim in our system');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText('Your claim moved into Step 3: Evidence gathering');
+              getByText('Your claim moved into Step 4: Evidence review');
+              getByText('We closed a request for "5103 Notice Response"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
       });
     });
   });
@@ -802,6 +960,110 @@ describe('<RecentActivity>', () => {
           expect(pagination).to.exist;
           expect(pagination.pages).to.equal(2);
         });
+        context(
+          'when cst5103UpdateEnabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(false, true)}>
+                  <RecentActivity claim={openClaimStep4WithAuto5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(4);
+              getByText('Your claim moved into Step 1: Claim received');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText(
+                'Your claim moved into Step 3: Evidence gathering, review, and decision',
+              );
+              getByText('Request for you');
+              getByText('We opened a request for "5103 Evidence Notice"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore()}>
+                  <RecentActivity claim={openClaimStep4WithAuto5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(4);
+              getByText('Your claim moved into Step 1: Claim received');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText(
+                'Your claim moved into Step 3: Evidence gathering, review, and decision',
+              );
+              getByText('Request for you');
+              getByText(
+                'We opened a request for "Automated 5103 Notice Response"',
+              );
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore(false, true)}>
+                  <RecentActivity claim={openClaimStep4WithClosed5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(4);
+              getByText('Your claim moved into Step 1: Claim received');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText(
+                'Your claim moved into Step 3: Evidence gathering, review, and decision',
+              );
+              getByText('We closed a request for "5103 Evidence Notice"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
+        context(
+          'when cst5103UpdateEnabled and has an Automated 5103 Notice Response item',
+          () => {
+            it('should render list', () => {
+              const { container, getByText } = renderWithRouter(
+                <Provider store={getStore()}>
+                  <RecentActivity claim={openClaimStep4WithClosed5103Notice} />
+                </Provider>,
+              );
+
+              const recentActivityList = $('ol', container);
+              expect(recentActivityList).to.exist;
+              expect(
+                within(recentActivityList).getAllByRole('listitem').length,
+              ).to.equal(4);
+              getByText('Your claim moved into Step 1: Claim received');
+              getByText('Your claim moved into Step 2: Initial review');
+              getByText(
+                'Your claim moved into Step 3: Evidence gathering, review, and decision',
+              );
+              getByText('We closed a request for "5103 Notice Response"');
+              expect($('va-pagination', container)).not.to.exist;
+            });
+          },
+        );
       });
     });
   });