What is the technical term of perm? Immigrant visa.

Hello, PERM (Programmatic Electronic Management Process) is a brand-new procedure for applying for a work permit formulated by the US government on March 28th, 2005. According to the PERM law, from March 28th, 2005, all work permit applications will no longer be processed through the traditional work permit or RIR procedure, but must be submitted through the PERM procedure. In order to be different from the traditional work permit application procedure, we also call the new work permit application procedure PERM application procedure, or simply PERM work permit.