Church Acting as Agency for Missionary - leftover funds
We have a missionary doing fundraising for her own mission trip. We are managing the donations received for her mission trip. Checks are payable to our church name with the designation of the mission trip say "Mexico Mission" for example. If the missionary is soliciting the donations and we are managing them, what is the proper action if more donations are given than necessary? Like if she only needed $20,000 but received $30,000 what should we do with the remaining $10,000? Who does that money belong to legally?