Whenever a main sewer district has been established under the provisions of K.S.A. 19-2731 to 19-2752, both sections inclusive, and any amendments thereto, and the question of the issuance of bonds for the purpose of providing revenue for the construction of additional improvements and enlarged facilities has been submitted to the qualified electors of such main sewer district, and a majority of those voting on the question vote in favor of the issuance of such bonds as provided for under section 19-2752f of the General Statutes of 1949, and unexpended funds remain after completion of all improvements authorized under said bond election, the governing body, upon the recommendation of the main sewer district engineer, may by resolution authorize the use of said unexpended funds for additional improvements and enlarged facilities of the main sewer district, including collection system and sewage treatment facilities and appurtenances thereto.
K.S.A. 19-2752g