The important feature is that the mortgage secures frequent and routine future advances to be added to the loan balance. "Future advance mortgage" means a mortgage that secures a future advance and is recorded either prior to or after the effective date of this act.All future advances under the Loan Documents shall have the same priority as if the future advance was made on the date that this Mortgage was recorded. To state the maximum principal amount in a mortgage or deed of trust. Michigan recognizes three types of trusts. Minimal construction or change in current operations in the foreseeable future. Depreciation timeline is one year in the future or case-specific.