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 page proof and log which revision went out.
Your reviewer gets the current image or PDF and a clear question. Your review card shows which revision you sent.
Record page proof decisions beside the reviewed PDF.
Your review cards show who made a proof decision and which file they saw. The reply time stays with the decision.
Record decisions on page proofs against the PDF reviewed.
Your proof tasks show who decided, which file version they reviewed, and who takes the next step.