Airbnb, a global home-sharing company, faces a fight to stay in New York City. A proposed law would punish people for renting out their homes fewer than 30 days. Airbnb promises to fight the proposed regulation. Airbnb asked its customers to sign a paper, or petition, against the law.

Airbnb is website for people advertise and look for short-term rentals. For many, Airbnb is a cheap alternative to a hotel.

Hotel rooms in New York City average about $250 per night. International travelers often book short visits to New York on Airbnb. But New York state law prohibits people from renting out an entire home or apartment to someone for fewer than 30 days.

Owners and tenants may rent out part of their apartment or home. But they must stay on the property during the short-term stay.

Earlier this year, two New York City Council members proposed penalties for people who illegally rent their homes.