The airline clarified (somewhat) the attire and appearance that might prevent passengers from being allowed to board or remain on a plane, a move that goes a step further than other major U.S. airlines.

Passengers flying Spirit Airlines may need to conceal some tattoos or put on more clothing for their next flight, according to the airline’s updated contract for travelers.

Spirit Airlines has recently updated its contract of carriage. The contract now includes more stringent rules regarding passenger attire and appearance. The budget carrier explicitly prohibits travelers from boarding flights if they are deemed to be “inadequately clothed.

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 recently shared that moving forward, it may not allow passengers wearing “lewd” clothing and/or who have uncovered “offensive” tattoos on its aircraft.

Last week John Garcia Jr. was bounced from a Los Angeles-San Antonio Spirit Airlines flight for wearing a hooded sweatshirt imprinted with an obscenity on the front and the back of the garment. The 43-year-old posted a photo of himself on Facebook on the plane wearing the hoodie.

Spirit updated its dress code for passengers, prohibiting revealing or offensive attire. Violate the rules, and you could be banned from your flight.

According to the terms of the carriage contract, passengers who are removed from a flight or denied boarding because of “offensive” clothing are not entitled to a refund, according to the terms of the carriage contract. The policy change comes after two women claimed they were kicked off a Spirit flight in October for wearing crop tops.

Spirit Airlines has revised its guidelines to include a detailed dress code restricting passengers from wearing provocative clothing.