Employment
(e) Employment. (1) A nonimmigrant in the United States in a class defined in section 101(a)(15)(B) of the Act as a temporary visitor for pleasure, or section 101(a)(15)(C) of the Act as an alien in transit through this country, may not engage in any employment, except as provided in paragraph (e)(3) of this section. Any other nonimmigrant in the United States may not engage in any employment unless the nonimmigrant has been accorded a nonimmigrant classification which authorizes employment or the nonimmigrant has been granted permission to engage in employment in accordance with the provisions of this chapter. (2) A nonimmigrant who is permitted to engage in employment may engage only in such employment as has been authorized. Any unauthorized employment by a nonimmigrant constitutes a failure to maintain status within the meaning of section 241(a)(1)(C)(i) of the Act. (3) A crewman, admitted in transit in the C-4 class or granted temporary landing in the D-3 class, who is performing ship-to-ship liquid cargo transfer operations to or from any other vessel engaged in foreign trade is not, for immigration purposes, performing services, work, labor, or employment within the United States.