21 cfr part 101 July 8, 2019 16 32 64 128 21 cfr part 1010 21 cfr part 101.9 21 cfr part 101.36 21 cfr part 101.22 21 cfr part 101.4 21 cfr part 1010.2 21 cfr part 101.91 Cfr title 21 part 101.22 Fda 21 cfr part 101 Fda 21 cfr part 101.22 a )( 3 Understanding 21 cfr part 11 101 basics