Attach invoices, collect vendor forms, request missing proof. Every one is ready to run, and you can adjust it in plain language.
File missing signing history beside executed leases.
Keep signed agreements ready for handoff, with signature certificates or audit trails beside them and a clear note when proof is missing.
Attach late rental application files to the same review item.
Your reviewer sees missing files on the pending approval item, even when a requester adds them after the review starts.