The important feature is that the mortgage secures frequent and routine future advances to be added to the loan balance. The Future Advances Endorsement insures the lender that the validity and enforceability of the mortgage will not be affected.A future advance is a common clause added to loan agreements that allows the borrower access to additional funds under the same loan agreement. "Event of Default" shall mean any event of default defined in the Deed of Trust, Loan Agreement and Note. Provisions Extending the Lien to Future Advances and Antecedent Indebtedness, 26 ARK. They favor a complete exclusion of future advance legislation. The. 6 Study Committee recommended a complete exclusion. 7. 6.