No variance shall be effective until a copy thereof, certified by the Chairman or Secretary of the Zoning Board of Appeals, containing a description of the premises to which it relates and specifying the nature of such variance, including the zoning regulation which is varied in its application, and stating the name of the owner of record, is recorded in the land records of the Town of Voluntown. The Town Clerk shall index the same in the grantor's index under the name of the then record owner and the record owner shall pay for such recording.