Vt. Stat. tit. 24 § 4767
On receipt of the engineering planning documents and their approval by the Department, the Department shall certify the award to the Commissioner of Finance and Management who shall issue his or her warrant for payment of the award from the construction grant funds available to the Department. The Department may direct the Commissioner of Finance and Management to issue his or her warrant for partial payments of the award upon receipt and approval of portions of the total engineering work to be performed under the advance, together with the recipient's certification that costs for which reimbursement has been requested have been incurred and paid by the recipient municipality. The recipient shall provide supporting evidence of payment upon the request of the Department. Partial payments shall be made not more frequently than monthly. Interest costs incurred in local short-term borrowing of the engineering planning advance shall be reimbursed as part of the advance.
24 V.S.A. § 4767