Third Party Payer - Wedding and Event Contract

You've got a couple you LOVE as clients and they're signing your contract-- YAAAS!! But there's one thing.  Their dad/ mom/ Great Aunt Sally is paying. So.. who is your client? And what rights does the Payer have? And are THEY able to make decisions? How do you work through THIS brain jam? We wrote This third party payer addendum to get a handle on these questions and more. It will detail and clarify to both the couple and the payer that: - The CLIENT is the COUPLE, not you, mom-- so no, you don't get to make demands or decisions! - If the event is cancelled, that non-refundable retainer clause applies to you too, Dad! - Sorry, Great Aunt Sally, you don't get to or override the couple's requests and "hard nos".   Those "wedding themed lobster-bibs" aren't coming within 100 feet of the reception. It also notes (gently) that if Great Aunt Sally doesn't pay on the due date, the couple is still responsible for the payment-- or else you can terminate their contract. This addendum is all abo