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. The important feature is that the mortgage secures frequent and routine future advances to be added to the loan balance.The Due Process Clause provides that no states shall deprive any "person" of "life, liberty or property" without due process of law. Privileges and immunities clause of state citizenship set out in Article IV, §2. A future advance is a clause in a mortgage that provides for additional availability of funds under the loan contract without requiring another loan. A future advance is a clause in a mortgage that provides for additional availability of funds under the loan contract without requiring another loan. In the future. Successful. (With Future Advance Clause).