This article discusses the typical modifications of a note and reviews the use of a note modification agreement and the modification of note forms. Advance clause is a part of a contract that allows for additional loans to be made in the future, even if the lender is not obligated to do so.(With Future Advance Clause). 1. A loan modification serves as an efficient way to alter specific loan terms, while leaving other original loan terms intact and enforceable. The important feature is that the mortgage secures frequent and routine future advances to be added to the loan balance. (With Future Advance Clause). A trust deed is always used together with a promissory note (also called "prom note") that sets out the amount and terms of the loan. The effectiveness of such a clause likely turns on the nature of the modification in relation to NC statutory requirements for a future advance deed of trust.