If you obtained your lawful permanent residency through marriage to a U.S. citizen and you are now going to be divorced there may be serious consequences.
Foreign nationals who obtain lawful permanent residency through marriage to a U.S. citizen are initially granted conditional lawful permanent residency for a period of 2 years. Ninety days prior to the expiration of this 2 year period the conditional lawful permanent resident and his or her U.S. Citizen spouse are required to file a joint petition to remove the conditions on the residency.