Section 364 - Provisions of public service law applicable1. Except as provided in subdivision two of this section, all of the provisions of article four of the public service law, so far as the same are applicable, shall apply to a municipal corporation furnishing a public utility service under this article.2.(a) A municipal corporation need not apply to or obtain from the public service commission a certificate of authority for a public utility service under this article.(b) A municipal corporation furnishing a public utility service or services need not decrease its rates and charges for such service or services on order of the public service commission unless such order is issued upon notice and after hearing instituted upon the verified complaint in writing of not less than twenty-five of the active consumers as shown by the records of the utility, residing in the territory in which the utility rate or rates referred to in said complaint is or are applicable.