Section 7-5-4201 - Municipal ordinances(1) The style of ordinances may be as follows: "Be it ordained by the council of the city of.... (or town of....)", and all ordinances may be published or posted as prescribed by the council.(2) All ordinances, bylaws, and resolutions must be passed by the council and approved by the mayor or the person acting in the mayor's stead and must be recorded in a book kept by the clerk, called "The Ordinance Book", and numbered by numerical decimal system in the order in which they are passed or codified.(3) An ordinance may not: (a) include a prohibited action provided in 7-5-103; or(b) contain more than one subject, which must be clearly expressed in its title, except ordinances for the codification and revision of ordinances.Amended by Laws 2021, Ch. 408,Sec. 6, eff. 5/7/2021, and applicable retroactively, within the meaning of 1-2-109, to local ordinances, resolutions, orders, regulations, mandates, directives, programs, and plans enacted, adopted, or in force on or after May 1, 2021.(1)En. Sec. 4804, Pol. C. 1895; re-en. Sec. 3264, Rev. C. 1907; re-en. Sec. 5055, R.C.M. 1921; re-en. Sec. 5055, R.C.M. 1935; Sec. 11-1101, R.C.M. 1947; (2), (3)En. Sec. 4805, Pol. C. 1895; re-en. Sec. 3265, Rev. C. 1907; re-en. Sec. 5056, R.C.M. 1921; re-en. Sec. 5056, R.C.M. 1935; amd. Sec. 1, Ch. 38, L. 1967; amd. Sec. 1, Ch. 231, L. 1969; amd. Sec. 1, Ch. 111, L. 1975; Sec. 11-1102, R.C.M. 1947; R.C.M. 1947, 11-1101, 11-1102(part); amd. Sec. 468, Ch. 61, L. 2007.