The DIF Deferral Agreement shall contain a legal description of the property affected and shall be recorded in the San Bernardino County. Each of the parties shall execute forthwith all of the documents necessary to carry out the terms of this agreement.00 per loan shall be due and payable upon sale of property. Pursuant to Section 3500 et seq. San Bernardino County, the largest County in the contiguous United States, spans 22,000 square miles.