In Motel 6 Operating Ltd. Partnership v. City of Flagstaff, 195 Ariz. 569, 991 P.2d 272 (App. 1999), the Court held that updating a non-conforming sign to reflect current company logos and shopping center tenants is a reasonable alteration under A.R.S. 9-462.02. Id. at 572, P 14, 991 P.2d at 275. The Court explained that the owners of the non-conforming sign had not sought to alter the use or structure of the signs in any way. Id.