A variance granted hereunder by the Zoning Board of Appeals, or by the Board of Standards and Appeals, pursuant to this article, or pursuant to any other section of this chapter, or pursuant to any other controlling ordinance, rule, regulation, statute or law, shall become and be effective only upon, and as of the date of, the filing and recording of the order granting the same, together with a declaration of agreement by the owner or owners of an irrevocable restrictive covenant running with the land and containing the provisions and conditions of the order granting the variance, in the offices of the Town Clerk of the Town of Putnam Valley and the County Clerk of the County of Putnam. Such declaration or agreement shall be prepared by the Town Attorney at the request of the interested Board. The fee for filing and recording such order and agreement shall be paid by the applicant for the variance, in advance, at the time of making the application therefor. Proof of such filing and recording shall be furnished, in writing, to the Secretary or Clerk of the interested Board within five calendar days thereafter. The order granting the variance and the restrictive covenant agreement shall be endorsed for return to the Town Attorney and shall be filed by the Town Attorney with the Town Clerk of the Town of Putnam Valley, after recording thereof in the County Clerk's office together with the County Clerk's endorsements showing the liber and page of such recordings. The Clerk or Secretary for the interested Board and the Town Clerk shall make and keep a record of the dates of filing and recording of such order granting variances, and of such restrictive covenant agreements, showing the properties affected thereby and the nature and provisions thereof.