File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Email approved event contracts to the named client signer.
Your client gets the agreement to sign, and you get the request link and send confirmation on the project.
Record giveaway winners with the checks behind each draw.
Get a giveaway winner list you can explain, with attendance checks and excluded entries recorded alongside the draw.