Subchapter I. Organization 8 U.S. Code §1551. Immigration and Naturalization Service 8 U.S. Code §1552. Commissioner of Immigration and Naturalization; office 8 U.S. Code §1553. Assistant Commissioners and one District Director; compensation and salary grade 8 U.S. Code §1554. Special immigrant inspectors at Washington 8 U.S. Code §1555. Immigration Service expenses 8 U.S. Code §1557. Prevention of transportation in foreign commerce of alien women and girls under international agreement; Commissioner designated as authority to receive and preserve information