No budget shall be adopted until a public hearing has been held thereon and taxpayers and all persons having an interest therein shall have been given an opportunity to present objections.

Such hearing shall be held not less than 18 days in the case of a county, and not less than 28 days in the case of a municipality, after the approval of the budget.

L.1960, c. 169, s. 1, eff. Jan. 1, 1962.