Any municipality is authorized and empowered to accept loans or grants and procure loans or temporary advances evidenced by notes or other negotiable instruments issued in the manner, and subject to the privileges and limitations, set forth with respect to bonds authorized to be issued under the provisions of this article, for the purpose of paying part or all of the cost of acquisition or construction of said sewage works and the construction of betterments and improvements thereto, and for the other purposes herein authorized, from any authorized agency of the state or from the United States of America or any federal or public agency or department of the United States or any private agency, corporation or individual, which loans or temporary advances, including the interest thereon, may be repaid out of the proceeds of bonds authorized to be issued under the provisions of this article, the revenues of the said sewage works or grants to the municipality from any agency of the state or from the United States of America or any federal or public agency or department of the United States or any private agency, corporation or individual or from any combination of such sources of payment, and to enter into the necessary contracts and agreements to carry out the purposes hereof with any agency of the state, the United States of America or any federal or public agency or department of the United States, or with any private agency, corporation or individual. Any other provisions of this article to the contrary notwithstanding, interest on any such loans or temporary advances may be paid from the proceeds thereof until the maturity of such notes or other negotiable instrument.

In no event shall any such loan or temporary advance be a general obligation of the municipality and such loans or temporary advances, including the interest thereon, shall be paid solely from the sources specified in this section.