File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Send the current draft to its reviewer with the review question.
Your campaign reviewer gets the current draft and a clear request, while the card shows when the email went out.
Keep each artwork decision with the exact proof reviewed.
Your review cards show who made a proof decision and which file they saw. The reply time stays with the decision.