Except they're enforced even after the regulations put the original store out of business. The surge of small town historical districts in the US in the 80s-90s

Except they're enforced even after the regulations put the original store out of business. The surge of small town historical districts in the US in the 80s-90s froze whatever signage was there at the time. Now many of these towns have blocks of buildings with expensive and beautiful signs; none match the name of the actual business inside.