Below are the reasons you can be found inadmissible:
- Unlawful presence
- Health
- Criminal acts
- Security reasons
- Public charge
- Unlawful entry into the United States
- Fraud or misrepresentation
- Others
Eligibility
If you are applying to become a lawful permanent resident or are applying for certain types of non-immigrant visas, you may be able to submit a waiver of inadmissibility application to USCIS if you are a spouse, child, or parent of a U.S. citizen or lawful permanent resident. You must be at least 17 years old.
Types of Waivers
There are several types of waiver applications. The application you make depends on the type of inadmissibility you are facing. For example, unlawful presence is cured by filing a Form I-601A Application for Provisional Unlawful presence Waiver https://www.uscis.gov/i-601a. If you have a removal order, you must file a I-212 Application for Permission to Reapply for Admission into the United States After Deportation or Removal https://www.uscis.gov/i-212. For many other immigration violations, you may be able to apply for a Form I-601 Application for Waiver of Grounds of Inadmissibility. https://www.uscis.gov/i-601