diff --git a/tests/playwright-tests/package.json b/tests/playwright-tests/package.json
index 32f45c40b3..583efa6806 100644
--- a/tests/playwright-tests/package.json
+++ b/tests/playwright-tests/package.json
@@ -13,6 +13,7 @@
     "test:regression_e2e_epic3Med": "cross-env TEST_TYPE=RegressionEpic3Med npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=@epic3-med",
     "test:regression_e2e_epic4c": "cross-env TEST_TYPE=RegressionEpic4c npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=@epic4c-",
     "test:regression_e2e_epic4d": "cross-env TEST_TYPE=RegressionEpic4d npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=@epic4d-",
+    "test:regression_e2e_epic4b": "cross-env TEST_TYPE=RegressionEpic4d npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=@epic4b-",
     "test": "cross-env TEST_TYPE=SMOKE npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=\"@smoke @e2e\"",
     "test:validation-exceptions": "cross-env TEST_TYPE=VALIDATION npx playwright test tests/api/bsselect/validationExceptions/ --project=dev --config=src/config/playwright.config.ts",
     "test:service_now": "npx playwright test --project=dev --config=src/config/playwright.config.ts --grep=\"@service_now\"",
diff --git a/tests/playwright-tests/src/tests/e2e/epic4b-block-participant-tests/epic-4b-7718-block-paricipant-testsuite.spec.ts b/tests/playwright-tests/src/tests/e2e/epic4b-block-participant-tests/epic-4b-7718-block-paricipant-testsuite.spec.ts
new file mode 100644
index 0000000000..0dae32c793
--- /dev/null
+++ b/tests/playwright-tests/src/tests/e2e/epic4b-block-participant-tests/epic-4b-7718-block-paricipant-testsuite.spec.ts
@@ -0,0 +1,100 @@
+import { expect, test } from '../../fixtures/test-fixtures';
+import { createParquetFromJson } from '../../../parquet/parquet-multiplier';
+import { getApiTestData, processFileViaStorage, validateSqlDatabaseFromAPI, cleanupDatabaseFromAPI } from '../../steps/steps';
+import { getRecordsFromParticipantManagementService} from '../../../api/distributionService/bsSelectService';
+import { TestHooks } from '../../hooks/test-hooks';
+import { APIRequestContext, TestInfo } from '@playwright/test';
+import { config } from '../../../config/env';
+import { getRecordsFromExceptionService } from '../../../api/dataService/exceptionService';
+import { sendHttpGet, sendHttpPOSTCall } from '../../../api/core/sendHTTPRequest';
+
+annotation: [{
+  type: 'Requirement',
+  description: 'Tests - https://nhsd-jira.digital.nhs.uk/browse/DTOSS-7667'
+}]
+
+test.describe('@regression @e2e @epic4b-block-tests @smoke Tests', async () => {
+  TestHooks.setupAllTestHooks();
+
+  test('@DTOSS-7667-01 - AC1 - Verify participant does not have a subscription in our database when they are blocked', async ({ request }: { request: APIRequestContext }, testInfo: TestInfo) => {
+    // Arrange: Get test data
+    const [addValidations, inputParticipantRecord, nhsNumbers, testFilesPath] = await getApiTestData(testInfo.title, 'ADD_BLOCKED');
+    const nhsNumber = nhsNumbers[0];
+    await cleanupDatabaseFromAPI(request, [nhsNumber]);
+
+
+    const parquetFile = await createParquetFromJson(nhsNumbers, inputParticipantRecord, testFilesPath);
+
+    await test.step(`When I ADD participant is processed via storage ready to be blocked by the block function`, async () => {
+      await processFileViaStorage(parquetFile);
+    });
+    
+    let nhsNumberFromPds = 0;
+    let familyName = "";
+    let dateOfBirth = "";
+
+    await test.step(`Then participant should be in the participant management table`, async () => {
+      
+        await validateSqlDatabaseFromAPI(request, addValidations);
+    });
+    
+
+    // Call the block participant function
+    await test.step(`Go to PDS and get the participant data for the blocking of a participant that already exists in the database`, async () => {
+        // Call the block participant function
+        let url = `${config.createPDSDemographic}${config.createPDSDemographicPath}?nhsNumber=${nhsNumbers[0]}`;
+
+        let response = await sendHttpGet(url)
+        expect(response.status).toBe(200)
+
+        let json = await response.json();
+        nhsNumberFromPds = json["NhsNumber"];
+        familyName = json["FamilyName"]
+        dateOfBirth = json["DateOfBirth"];
+
+        expect(nhsNumberFromPds).toBeDefined()
+    });
+
+    const blockPayload = {
+      NhsNumber: Number(nhsNumberFromPds),
+      FamilyName: familyName,
+      DateOfBirth: dateOfBirth
+    };
+
+    await test.step(`running step to make sure that item can be subscribed to in nems`, async () => {
+      let subscribeToNemsResponse = await sendHttpPOSTCall(`${config.SubToNems}${config.SubToNemsPath}?nhsNumber=${nhsNumbers[0]}`, "");
+      
+      expect(subscribeToNemsResponse.status).toBe(200);
+    });
+
+    await test.step(`Send block to existing participant and make sure they are blocked`, async () => {
+      
+      let url = `${config.endpointBsSelectUpdateBlockFlag}${config.routeBsSelectBlockParticipant}`;
+      let body = JSON.stringify(blockPayload);
+      let response = await sendHttpPOSTCall(url, body);
+      expect(response.status).toBe(200);
+    });
+
+
+     await test.step(`the participant has been blocked`, async () => {
+      let blocked = false;
+      for(let i =0; i<10; i++) {
+          const resp = await getRecordsFromParticipantManagementService(request);
+          if (resp?.data?.[0]?.BlockedFlag === 1) {
+            blocked = true;
+            break;
+          }
+          console.log(`Waiting for participant to be blocked...(${i}/10)`);
+          await new Promise(res => setTimeout(res, 2000));
+        }
+        expect(blocked).toBe(true);
+    });
+
+    await test.step(`When the participant is in the blocked list they are not subscribed to nems for PDS updates`, async () => {
+        var checkNemsSubscriptionStatusURL = `${config.SubToNems}${config.CheckNemsSubPath}?nhsNumber=${nhsNumbers[0]}` ;
+        let nemsResponse = await sendHttpGet(checkNemsSubscriptionStatusURL);
+
+        expect(nemsResponse.status).toBe(404);
+    });
+  });
+});