diff --git a/infrastructure/stacks/api-layer/api_gateway.tf b/infrastructure/stacks/api-layer/api_gateway.tf
index 46ccfb6f3..c39cf9f9d 100644
--- a/infrastructure/stacks/api-layer/api_gateway.tf
+++ b/infrastructure/stacks/api-layer/api_gateway.tf
@@ -56,7 +56,24 @@ resource "aws_api_gateway_stage" "eligibility-signposting-api" {
   # A subscription filter (see csoc_log_forwarding.tf) forwards these logs to CSOC
   access_log_settings {
     destination_arn = module.eligibility_signposting_api_gateway.cloudwatch_destination_arn
-    format          = "{ \"requestId\":\"$context.requestId\", \"ip\": \"$context.identity.sourceIp\", \"caller\":\"$context.identity.caller\", \"user\":\"$context.identity.user\", \"requestTime\":\"$context.requestTime\", \"httpMethod\":\"$context.httpMethod\", \"resourcePath\":\"$context.resourcePath\", \"status\":\"$context.status\", \"protocol\":\"$context.protocol\", \"responseLength\":\"$context.responseLength\", \"accountId\":\"$context.accountId\", \"apiId\":\"$context.apiId\", \"stage\":\"$context.stage\", \"api_key\":\"$context.identity.apiKey\" }"
+    format          = <<EOF
+                      {
+                        "accountId": "$context.accountId",
+                        "apiId": "$context.apiId",
+                        "api_key": "$context.identity.apiKey",
+                        "caller": "$context.identity.caller",
+                        "httpMethod": "$context.httpMethod",
+                        "ip": "$context.identity.sourceIp",
+                        "protocol": "$context.protocol",
+                        "requestId": "$context.requestId",
+                        "requestTime": "$context.requestTime",
+                        "resourcePath": "$context.resourcePath",
+                        "responseLength": "$context.responseLength",
+                        "stage": "$context.stage",
+                        "status": "$context.status",
+                        "user": "$context.identity.user"
+                      }
+                      EOF
   }
 
   depends_on = [
diff --git a/src/eligibility_signposting_api/audit/audit_context.py b/src/eligibility_signposting_api/audit/audit_context.py
index 8de980888..53358b4d6 100644
--- a/src/eligibility_signposting_api/audit/audit_context.py
+++ b/src/eligibility_signposting_api/audit/audit_context.py
@@ -48,6 +48,7 @@ def add_request_details(request: Request) -> None:
                     x_correlation_id=request.headers.get("X-Correlation-ID"),
                     nhsd_end_user_organisation_ods=request.headers.get("NHSD-End-User-Organisation-ODS"),
                     nhsd_application_id=request.headers.get("nhsd-application-id"),
+                    nhse_product_id=request.headers.get("nhse-product-id"),
                 )
             ),
             query_params=(
diff --git a/src/eligibility_signposting_api/audit/audit_models.py b/src/eligibility_signposting_api/audit/audit_models.py
index 2f1b0ee2d..a9d3f8896 100644
--- a/src/eligibility_signposting_api/audit/audit_models.py
+++ b/src/eligibility_signposting_api/audit/audit_models.py
@@ -17,6 +17,7 @@ class RequestAuditHeader(CamelCaseBaseModel):
     x_correlation_id: str | None = None
     nhsd_end_user_organisation_ods: str | None = None
     nhsd_application_id: str | None = None
+    nhse_product_id: str | None = None
 
 
 class RequestAuditQueryParams(CamelCaseBaseModel):
diff --git a/src/eligibility_signposting_api/config/constants.py b/src/eligibility_signposting_api/config/constants.py
index 6deb0b4ec..1594d6d6f 100644
--- a/src/eligibility_signposting_api/config/constants.py
+++ b/src/eligibility_signposting_api/config/constants.py
@@ -3,5 +3,5 @@
 URL_PREFIX = "patient-check"
 RULE_STOP_DEFAULT = False
 NHS_NUMBER_HEADER = "nhs-login-nhs-number"
-CONSUMER_ID = "nhsd-application-id"  # "Nhsd-Application-Id"
+CONSUMER_ID = "NHSE-Product-ID"
 ALLOWED_CONDITIONS = Literal["COVID", "FLU", "MMR", "RSV"]
diff --git a/src/eligibility_signposting_api/logging/logs_helper.py b/src/eligibility_signposting_api/logging/logs_helper.py
index 12d8a48db..a10e1f050 100644
--- a/src/eligibility_signposting_api/logging/logs_helper.py
+++ b/src/eligibility_signposting_api/logging/logs_helper.py
@@ -5,6 +5,8 @@
 
 from mangum.types import LambdaContext, LambdaEvent
 
+from eligibility_signposting_api.config.constants import CONSUMER_ID
+
 logger = logging.getLogger(__name__)
 
 
@@ -20,6 +22,8 @@ def wrapper(event: LambdaEvent, context: LambdaContext) -> dict[str, Any] | None
                     "x_request_id": headers.get("X-Request-ID"),
                     "x_correlation_id": headers.get("X-Correlation-ID"),
                     "gateway_request_id": gateway_request_id,
+                    "nhse_product_id": headers.get(CONSUMER_ID),
+                    "nhsd_application_id": headers.get("nhsd-application-id"),
                 },
             )
             return func(event, context)
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 6be20801c..84ea9a4e5 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -50,7 +50,7 @@
 AWS_CURRENT_SECRET = "test_value"  # noqa: S105
 AWS_PREVIOUS_SECRET = "test_value_old"  # noqa: S105
 
-UNIQUE_CONSUMER_HEADER = "nhsd-application-id"
+UNIQUE_CONSUMER_HEADER = "nhse-product-id"
 
 
 @pytest.fixture(scope="session")
diff --git a/tests/integration/lambda/test_app_running_as_lambda.py b/tests/integration/lambda/test_app_running_as_lambda.py
index 09953f4ca..08618038b 100644
--- a/tests/integration/lambda/test_app_running_as_lambda.py
+++ b/tests/integration/lambda/test_app_running_as_lambda.py
@@ -207,7 +207,8 @@ def test_given_nhs_number_in_path_matches_with_nhs_number_in_headers_and_check_i
             "x_request_id": "x_request_id",
             "x_correlation_id": "x_correlation_id",
             "nhsd_end_user_organisation_ods": "nhsd_end_user_organisation_ods",
-            "nhsd-application-id": consumer_id,
+            "nhsd-application-id": "nhsd-application-id",
+            "NHSE-Product-ID": consumer_id,
         },
         params={"includeActions": "Y"},
         timeout=10,
@@ -229,7 +230,8 @@ def test_given_nhs_number_in_path_matches_with_nhs_number_in_headers_and_check_i
         "xRequestId": "x_request_id",
         "xCorrelationId": "x_correlation_id",
         "nhsdEndUserOrganisationOds": "nhsd_end_user_organisation_ods",
-        "nhsdApplicationId": consumer_id,
+        "nhsdApplicationId": "nhsd-application-id",
+        "nhseProductId": consumer_id,
     }
     expected_query_params = {"category": None, "conditions": None, "includeActions": "Y"}
 
@@ -455,7 +457,8 @@ def test_given_person_has_unique_status_for_different_conditions_with_audit(  #
             "x_request_id": "x_request_id",
             "x_correlation_id": "x_correlation_id",
             "nhsd_end_user_organisation_ods": "nhsd_end_user_organisation_ods",
-            "nhsd_application_id": consumer_id,
+            "nhsd-application-id": "nhsd-application-id",
+            "NHSE-Product-ID": consumer_id,
         },
         params={"includeActions": "Y", "category": "VACCINATIONS", "conditions": "COVID,FLU,RSV"},
         timeout=10,
@@ -475,7 +478,8 @@ def test_given_person_has_unique_status_for_different_conditions_with_audit(  #
         "xRequestId": "x_request_id",
         "xCorrelationId": "x_correlation_id",
         "nhsdEndUserOrganisationOds": "nhsd_end_user_organisation_ods",
-        "nhsdApplicationId": consumer_id,
+        "nhsdApplicationId": "nhsd-application-id",
+        "nhseProductId": consumer_id,
     }
     expected_query_params = {"category": "VACCINATIONS", "conditions": "COVID,FLU,RSV", "includeActions": "Y"}
 
@@ -597,7 +601,8 @@ def test_no_active_iteration_returns_empty_processed_suggestions(
             "x_request_id": "x_request_id",
             "x_correlation_id": "x_correlation_id",
             "nhsd_end_user_organisation_ods": "nhsd_end_user_organisation_ods",
-            "nhsd_application_id": consumer_id,
+            "nhsd-application-id": "nhsd-application-id",
+            "NHSE-Product-ID": consumer_id,
         },
         params={"includeActions": "Y", "category": "VACCINATIONS", "conditions": "COVID,FLU,RSV"},
         timeout=10,