diff --git a/src/dve/core_engine/models.py b/src/dve/core_engine/models.py
index 2e6578f..75a14ed 100644
--- a/src/dve/core_engine/models.py
+++ b/src/dve/core_engine/models.py
@@ -51,16 +51,18 @@ class SubmissionInfo(AuditRecord):
     """The name of the submitted file."""
     file_extension: str
     """The extension of the file received."""
-    submission_method: str = None  # type: ignore
+    submission_method: Optional[str] = None  # type: ignore
     """The method that the file was submitted"""
-    submitting_org: str = None  # type: ignore
+    submitting_org: Optional[str] = None  # type: ignore
     """The organisation who submitted the file."""
-    reporting_period: str = None  # type: ignore
-    """The reporting period the submission relates to."""
-    file_size: int = None  # type: ignore
+    reporting_period_start: Optional[str] = None  # type: ignore
+    """The start of the reporting period the submission relates to."""
+    reporting_period_end: Optional[str] = None  # type: ignore
+    """The end of the reporting period the submission relates to."""
+    file_size: Optional[int] = None  # type: ignore
     """The size (in bytes) of the file received."""
-    datetime_received: dt.datetime = None  # type: ignore
-    """The datetime the SEFT transfer finished."""
+    datetime_received: Optional[dt.datetime] = None  # type: ignore
+    """The datetime the file was received."""
 
     @validator("file_name")
     def _ensure_metadata_extension_removed(cls, filename):  # pylint: disable=no-self-argument
diff --git a/tests/features/steps/steps_pipeline.py b/tests/features/steps/steps_pipeline.py
index fb85cfb..f3d1f0f 100644
--- a/tests/features/steps/steps_pipeline.py
+++ b/tests/features/steps/steps_pipeline.py
@@ -225,6 +225,8 @@ def submit_file_for_processing(context: Context, dataset: str, file_name: str):
         "dataset_id": dataset,
         "file_name": file_name,
         "file_extension": Path(file_name).suffix,
+        "reporting_period_start": "2025-11-01 00:00:00",
+        "reporting_period_end": "2025-11-30 23:59:59"
     }
     ctxt.set_submission_info(context, SubmissionInfo(**sub_info))  # type: ignore
     # add processing location
diff --git a/tests/test_core_engine/test_backends/test_implementations/test_duckdb/test_audit_ddb.py b/tests/test_core_engine/test_backends/test_implementations/test_duckdb/test_audit_ddb.py
index b0598eb..6260965 100644
--- a/tests/test_core_engine/test_backends/test_implementations/test_duckdb/test_audit_ddb.py
+++ b/tests/test_core_engine/test_backends/test_implementations/test_duckdb/test_audit_ddb.py
@@ -40,7 +40,8 @@ def dve_metadata_file() -> Iterator[Path]:
     "file_extension":  "xml",
     "file_size": 123456789,
     "submitting_org":  "TEST",
-    "reporting_period": "FY2023-24_TEST",
+    "reporting_period_start": "FY2023-24_START_TEST",
+    "reporting_period_end": "FY2023-24_END_TEST",
     "dataset_id":  "TEST_DATASET",
     "datetime_received":  "2023-10-03T10:53:36.1231998Z"
     }"""
diff --git a/tests/test_core_engine/test_backends/test_implementations/test_spark/test_audit_spark.py b/tests/test_core_engine/test_backends/test_implementations/test_spark/test_audit_spark.py
index a5146f9..4b328df 100644
--- a/tests/test_core_engine/test_backends/test_implementations/test_spark/test_audit_spark.py
+++ b/tests/test_core_engine/test_backends/test_implementations/test_spark/test_audit_spark.py
@@ -43,7 +43,8 @@ def dve_metadata_file() -> Iterator[Path]:
     "file_extension":  "xml",
     "file_size": 123456789,
     "submitting_org":  "TEST",
-    "reporting_period": "FY2023-24_TEST",
+    "reporting_period_start": "FY2023-24_START_TEST",
+    "reporting_period_end": "FY2023-24_END_TEST",
     "dataset_id":  "TEST_DATASET",
     "datetime_received":  "2023-10-03T10:53:36.1231998Z"
     }"""
@@ -147,7 +148,8 @@ def test_submission_info_from_metadata_file(dve_metadata_file):
         submitting_org="TEST",
         file_name="TESTFILE_TEST_20230323T084600",
         file_extension="xml",
-        reporting_period="FY2023-24_TEST",
+        reporting_period_start="FY2023-24_START_TEST",
+        reporting_period_end="FY2023-24_END_TEST",
         file_size=123456789,
         datetime_received=datetime(2023, 10, 3, 10, 53, 36, 123199, tzinfo=timezone.utc),
     )
diff --git a/tests/test_core_engine/test_models.py b/tests/test_core_engine/test_models.py
index ef85173..87c8f9d 100644
--- a/tests/test_core_engine/test_models.py
+++ b/tests/test_core_engine/test_models.py
@@ -73,7 +73,8 @@ def test_submission_info(  # pylint: disable=missing-function-docstring
         "time_updated",
         "submission_method",
         "submitting_org",
-        "reporting_period",
+        "reporting_period_start",
+        "reporting_period_end",
         "file_size",
         "datetime_received",
     ]