Form I-854
July 12, 2022
It was announced by USCIS that law enforcement agencies should use Form I-854A to request a noncitizen witness and/or informant to receive classification as an S nonimmigrant. Law enforcement agencies use Form I-854B to request a noncitizen in S nonimmigrant status to be allowed to apply for adjustment of status to adjust lawful permanent resident status under section 245(j) of the Immigration and Nationality Act. Form I-854, Inter-Agency Alien Witness and Informant Record, is only for law enforcement agencies to submit.
Specific content can be found here: