diff --git a/domain/bulk_document_download/package_plan.py b/domain/bulk_document_download/package_plan.py
index 6d08f6171..64e57950d 100644
--- a/domain/bulk_document_download/package_plan.py
+++ b/domain/bulk_document_download/package_plan.py
@@ -63,4 +63,21 @@ def plan_download_package(
     """Lay out a Download Package from resolved documents (ADR-0060): one folder
     per property, the latest file of each Document Type, null-Document-Type rows
     skipped and reported."""
-    raise NotImplementedError
+    latest_by_group: dict[tuple[str, str], ResolvedDocument] = {}
+    for document in documents:
+        assert document.document_type is not None
+        group = (document.landlord_property_id, document.document_type)
+        incumbent = latest_by_group.get(group)
+        if incumbent is None or document.uploaded_at > incumbent.uploaded_at:
+            latest_by_group[group] = document
+
+    entries: list[PackageEntry] = [
+        PackageEntry(
+            zip_path=f"{document.address} ({document.landlord_property_id})/"
+            f"{document.document_type}",
+            s3_bucket=document.s3_bucket,
+            s3_key=document.s3_key,
+        )
+        for document in latest_by_group.values()
+    ]
+    return DownloadPackagePlan(entries=tuple(entries), skipped=())