Ind. Code § 36-1-3-11
(b) As used in this section, "sign" refers to a sign, the surface area of which is not greater than thirty-two (32) square feet. For purposes of determining the surface area of a sign under this section, if a sign consists of two (2) faces, only the surface area of one (1) of the faces is considered if both of the following apply:
(c) Subject to subsection (d), an ordinance or a regulation of a political subdivision relating to the number or size of signs is unenforceable during the following period:
As added by P.L.211-2017, SEC.1.