File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Email the current creative proof and log the revision on the card.
Your reviewer gets the current image or PDF and a clear question. Your review card shows which revision you sent.
Email the assigned reviewer and log the handoff on the campaign card.
Your campaign reviewer gets the current draft and a clear request, while the card shows when the email went out.