14 cfr 21.1 July 8, 2019 16 32 64 128 14 cfr 21.137 14 cfr 21.101 14 cfr 21.191 14 cfr 21.197 14 cfr 21.183 14 cfr 21.17 14 cfr 21.190 14 cfr 21.181 14 cfr 21.199 14 cfr 21.146 14 cfr 21.193 14 cfr 21.19 14 cfr 21.16 14 cfr 21.135 14 cfr 21.138
