The Immigrant Legal Resource Center has produced a great resource on U visa certification that includes an overview of state U visa laws and pending legislation.  “This practice advisory outlines some suggestions and resources for immigration advocates working with law enforcement agencies to obtain law enforcement certification for U Visa applicants.  It also includes a summary of all state laws, as of July 2017, that have either passed or are pending regarding U Visa certification policies and protocols. The ILRC practice advisory is available here: A Guide to Obtaining U Visa Certifications: Practice Advisory