The commissioner is authorized, in the commissioner's sole discretion, to enter into a contract with the county clerk, in the case of business taxes levied by the state, or the appropriate city official, in the case of business taxes levied by a municipality, for the collection of taxes that have become delinquent under this part. The contract may delegate to the county or city official any or all of the powers otherwise exercised by the commissioner under chapter 1, part 14 of this title. The contract shall also specify that the county or city official and any employees of the official are subject to chapter 1, part 17 of this title.