Here is the list of what makes you inadmissible for the permanent residency:
- You have a communicable disease
- You have a physical or mental disorder
- You have violated the immigration laws
- You are using drugs
- You have been convicted for a crime involving moral turpitude
- You are likely to need government financial assistance
- You have been convicted for two or more crimes, and your prison sentences total to at least 5 years.
- You have participated in illicit drug trafficking
- You have a history or the purpose of engaging in prostitution
- One of your immediate relative has been involved in drug trafficking
- You have committed espionage or sabotage
- You are a nazi or involved with any nazi movement
- You have entered the United States illegally
- You have already been deported from the United States
- You are married or you are living with more than one person at the same time
- You are on a J-1 or J-2 exchange visitor visa and are subject to the two-year home residency requirement.
Source:
– NOLO Fiancé & Marriage Visas book
Easy Steps Immigration 