47 cfr part 2 July 8, 2019 16 32 64 128 47 cfr part 25 47 cfr part 27 47 cfr part 22 47 cfr part 20 47 cfr part 26 47 cfr part 24 47 cfr part 2 subpart j 47 cfr part 2.1091 47 cfr part 2.1093 47 c.f.r. part 4