A conditional permanent resident receives a green card valid for 2 years. In order to remain a permanent resident, a conditional permanent resident must file a petition to remove the condition during the 90 days before the card expires. The conditional card cannot be renewed. The conditions must be removed or you will lose your permanent resident status.

Removing Conditions

• To remove the conditions on a green card based on marriage, you must file Form I-751,Petition to Remove the Conditions of Residence.
• To remove conditions on a green card for entrepreneurs, you must file Form I-829,Petition by Entrepreneur to Remove Conditions. 

For more information, see: 

• Remove Conditions on Permanent Residence Based on Marriage, or
• Remove Conditions on Permanent Residence for Entrepreneurs