Tarrant County's vendor registration is available via our Ion Wave eProcurement system. Required documents include the current title deed, sales contract, valid identification, and a recent property survey.Buyer desires to purchase the RS Property and certain other real and personal property from Seller, which shall be used in connection with the Campus. (Address and additional information below regarding the Interlocal Agreement Form). Please contact Ms. Anderson at. Perform contract administration duties on annual contracts including contacting departments for renewal options and notifying vendors. Tarrant County Memorandum of a Contract Form. Fill in the blank form formatted to comply with all recording and content requirements.