(50 ILCS 335/0.01) (from Ch. 85, par. 1620) Sec. 0.01. Short title. This Act may be cited as the Municipality and Sanitary District Mutual Expenditure Act. (Source: P.A. 86-1324.)

(50 ILCS 335/1) (from Ch. 85, par. 1621) Sec. 1. That a sanitary district created under An Act to create sanitary districts and to provide for sewage disposal, approved June 22, 1917, as amended, and cities and villages, whether special charter or otherwise, may mutually join in the hereinafter set forth acts if the city or village and the sanitary district include substantially the same area and they join together for the purposes set forth in the act aforesaid. (Source: Laws 1967, p. 84.)

(50 ILCS 335/2) (from Ch. 85, par. 1622) Sec. 2. "Substantially" shall be interpreted to mean that the major portion of the city or village is located in the sanitary district. (Source: Laws 1967, p. 84.)

(50 ILCS 335/3) (from Ch. 85, par. 1623) Sec. 3. The sanitary district by a 2/3 vote of its board of trustees and the city or village by a 2/3 vote of its corporate authorities may spend their funds for the purchase of land, for the construction, maintenance, operation, or enlargement of any sanitary sewer system, including lagoons, filtration plants and collection systems and all other parts of the system. (Source: Laws 1967, p. 84.)

(50 ILCS 335/4) (from Ch. 85, par. 1624) Sec. 4. Any land or assets of any system to be built, being built, or built may be transferred from one municipality to the other upon a 2/3 vote of the corporate authorities of both municipalities involved. (Source: Laws 1967, p. 84.)

(50 ILCS 335/5) (from Ch. 85, par. 1625) Sec. 5. This act shall not apply to sanitary districts in which are located cities or villages of over 500,000 population. (Source: Laws 1967, p. 84.)