Yes, and she can put in her contract. But if it not in her contract and it only say she closed on the stat on Saturday or Sunday, then closing on Monday, is not their agreement. Yes, if they don't like it they can leave BUT provider has broken the contract not parent, provider not get notice because contract broken and no longer valid. They can leave, no notice, and get refund for deposit if it normally applied to last week of care because they did NOT agree to extra day closed and it provider breaking agreement.