Section 7-1-4118 - Reduction in classification of municipalities(1) Whenever it appears by the census taken by the United States, the state, or otherwise that the population of a city of the first or second class has decreased so as to be insufficient in number to entitle it to be a city of that class, the council must thereupon, by resolution declare that such city be reduced to a city of the second class or town as the case may be.(2) A certified copy of such resolution must be filed in the office of the county clerk and in the office of the secretary of state, and thereafter such city becomes a city of the second class or a town, as the case may be, to be governed under the provisions of this code relative to cities and towns.(3) The provisions of 7-1-4116 and 7-1-4117 apply to this section.En. Sec. 4954, Pol. C. 1895; re-en. Sec. 3451, Rev. C. 1907; re-en. Sec. 4973, R.C.M. 1921; re-en. Sec. 4973, R.C.M. 1935; R.C.M. 1947, 11-305.