SECTION 1. Notwithstanding the provision of section 56 of chapter 41 of the General laws, or of any other general or special law to the contrary,; the town administrator in the town of Tyngsborough, and in the absence of the town administrator the assistant town administrator, may approve all warrants for payment of town funds including payroll warrants.  The approval of all such warrants by the town administrator or in the town administrator’s absence the assistant town administrator shall be sufficient to authorize payment by the town treasurer, , but a majority of the board of selectmen shall approve all such warrants in the event of the absence of said town administrator, or assistant town administrator, or a vacancy in the office of town administrator.