It shall be the duty of the secretary of state to cause to be published separately under an appropriate heading, in the appendix of the session laws of each year, the names of the cities which have accepted any of the plans of government provided for in this act, with a statement of the plan adopted and the date of adoption, and such statement so published shall be conclusive evidence of such adoption." L. 1914, ch. 444, § 26. [67] |