§ 1383. Powers of municipalities. Any municipality or municipalities acting jointly may:
1. apply to and contract with the commissioner for state aid pursuant to this title;
2. enter into contracts for consulting engineering services for the preparation of detailed plans for the construction of solid waste management facilities or the improvement of existing solid waste management facilities; provided, however, the contract cost negotiated between the person or firm chosen to perform the consulting engineering services or market research and the applicant for state aid under this title shall be subject to the approval of the commissioner;
3. expend money received from the state pursuant to this title only for purposes consistent therewith.