(1:16 p.m. EST) -- Get caught smoking on your balcony on a Carnival Cruise Line ship, and you not only will get hit with a hefty fine, but you and your cabin mates also could be sent home.

The line, which prohibits passengers from smoking on cabin balconies, has firmed up its smoking policy, warning that anyone who violates the policy will be fined $500 (posted to their onboard account). In addition, violations may result in the disembarkation of all passengers in the cabin.

"We think it's important to continually stress safety to our guests and crew," Carnival spokesperson Vance Gulliksen told Cruise Critic. "How we manage smoking is one of those areas our guests have told us is important. The updated policy reflects just part of what we are doing to address smoking on our ships, along with greater emphasis in pre-cruise and in-cruise communications."

Previously, Carnival's smoking policy indicated violators of the smoking policy would be subject to a cleaning fee.

The new policy reads: "Any violation of this policy will result in a $500 charge, per violation, posted on the guest's Sail & Sign account and may also result in the disembarkation of all guests in the stateroom.

"Guests who are disembarked for violating our policy will be responsible for all financial charges and expenses to return home, and no refund of their unused cruise fare will be provided. Additionally, they may be prohibited from sailing with Carnival Cruise Line in the future."

Carnival allows smoking only in designated areas of exterior decks and the casino/night club. Smoking is banned in all other parts of the ship, including cabins and balconies. The policy applies to all forms smoking, including cigarettes, cigars, pipes, vaporizers, electronic cigarettes and marijuana. (Marijuana is prohibited entirely on the ship.)