Meaning
A shipping cutoff is the latest order time for a stated processing or shipment attempt.
Where it fits
Use this term on a returns page when the term affects eligibility, returns, refunds, or exchanges. Keep the wording short, then link to the full policy or support path when the answer has exceptions.
This is educational copy guidance, not legal advice. Match the final wording to the store's actual policy, support capacity, and fulfillment process.