Budget carrier Spirit Airlines quietly updated its contract of carriage Wednesday to include a more thorough dress code — which caught at least some unsuspecting travelers unawares. The new

Spirit Airlines has revised its "contract of carriage" to include updated guidelines for passenger conduct and attire.

Passengers may not be allowed to board Spirit Airlines flights if their tattoos or clothes are deemed “offensive,” according to an updated contract between travelers and carriers. Airline officials updated Spirit’s contract of carriage on Wednesday,