U Nonimmigrant Visa Application by Alexa Rodriguez: Primary Source(s)

The Immigration and Nationality Act of 1952, is the foundation for Immigration law, and is codified in Title 8 of the United States  Code

Title 8, Code of Federal Regulations

• Department of Homeland Security
  The Department is responsible for providing immigration-related services and benefits such as naturalization and work authorization as well as investigative and enforcement responsibilities for enforcement of federal immigration laws, customs laws and air security laws.
• U.S. Citizenship and Immigration Services
  Under DHS, this government website is an excellent website for immigration information.
• U.S. Immigration and Customs Enforcement
  Also under DHS, ICE was created in 2003 through a merger of the investigative and interior enforcement elements of the U.S. Customs Service and the Immigration and Naturalization Service. It is the enforcement mechanism.
• Department of Justice: Executive Office for Immigration
  Oversight for immigration court proceedings, appellate reviews, and administrative hearings. Contains EOIR, BIA, OCAHO, and OCIJ.
• Department of Labor
  Important information regarding work visas.
• U.S. Department of State
  Home to the visa information center, foreign affairs manual and the bureau of population. Click the "travel link" to access visa information.
• U.S. Customs and Border Protection
  Customs is primarily responsible for preventing terrorists or weapons from entering the United States; however, it's site has useful forms and information for anyone traveling to the United States.

Please use any of these free cites to find any applicable codes listed in this guide. 

• FDSYS
  The online government portal to the U.S. Code, Code of Federal Regulations, the Federal Register, and Statutes at Large.
• U.S. Code    
  Available online through Fdsys. Annotated versions are available in Lexis as the U.S. Code Service and in Westlaw as the U.S. Code Annotated.
• Amendments to the INA
  Provided by USCIS, a list of amendments to the INA by the public law number. Coverage from 1986..
• GPO - CFR
  The U.S. Government Printing Office allows users to view the Code of Federal Regulations (CFR) by year.

The applicant bears the burden fo proving that he or she is eligible for a U Visa. 8 C.F.R. §214.14(c)(4)

The evidentiary standard used is that of "any credible evidence" to establish the essential elements. 8 C.F.R. §214.11(d)(3)

• You are the victim of a qualifying criminal activity;

• You have suffered substantial physical or mental abuse as a result of having been a victim of criminal activity.

• You have information about the criminal activity. Please note that if you are under the age of 16 or unable to provide information due to disability, a parent, guardian or next frien may posses the information about the crime on your behalf.

• You were helpful, are helpful, or are likely to be helpful to law enforcement in the investigation or prosecution of the crime. Please note that if you are under the age of 16 or unable to provide information due to disability, a parent, guardian or next friend may assit law enfrocement on your behalf. 

• The crime occured in the United States or violated United States laws.

• You are admissible to the United States. If you are not admissible you may apply for a waiver.

8 C.F.R. §214.14(c)(2)(ii)

Some of the applicable regulations 

1. § 214.14 Alien victims of certain qualifying criminal activity.