In order to assure the preservation and maintenance of projects funded under this Part and to assure that a public benefit accrues from the expenditure of public funds, the office will require the project sponsor to convey a preservation or maintenance restriction, easement or other protective agreement to the office or such other entity as the office deems appropriate.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 433.5