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| July 30, 1983, 97 Stat. 338) | |
| 31 note (Pub. L. 97–51, §130(c), Oct. 1, 1981, 95 Stat. 966) | 4502 |
| 31-2 | 4725 |
| 31–2 note (Pub. L. 102–90, title III, §314(g), Aug. 14, 1991, 105 Stat. 470) | 4725 note |
| 31–3 | 4726 |
| 31–3 note (Pub. L. 110–81, title V, §544(f), Sept. 14, 2007, 121 Stat. 771) | 4726 note |
| 31–3 note (Pub. L. 110–81, title V, §544(e), Sept. 14, 2007, 121 Stat. 771) | 4726 note |
| 31a-1 | 6102 |
| 31a–1 note (Pub. L. 108–447, div. G, title I, §13(c), Dec. 8, 2004, 118 Stat. 3172) | 6102 note |
| 31a–1 note (Pub. L. 108–7, div. H, title I, §1(f), Feb. 20, 2003, 117 Stat. 349) | 6102 note |
| 31a–2 | 6135 |
| 31a–2a | 6136 |
| 31a–2b | 6137 |
| 31a–2c | 6138 |
| 31a–3 | 6159 |
| 31a–4 | 6160 |
| 31b | 5121 |
| 31b-1 | 5125 |
| 31b–1 note (Pub. L. 91–665, ch. VIII, Jan. 8, 1971, 84 Stat. 1989) | 5125 note |
| 31b–1 note (Pub. L. 93–532, §1(a), Dec. 22, 1974, 88 Stat. 1723) | 5125 note |
| 31b-2 | 5126 |
| 31b-4 | 5127 |
| 31b-5 | 5128 |
| 31b-7 | 5129 |
| 31b–7 note (Pub. L. 103–69, title I, §101A(b), Aug. 11, 1993, 107 Stat. 699) | 5129 note |
| 32 | 6111 |
| 32a | 6112 |
| 32a | 6112 |
| 32b | 6115 |
| 32b note (Pub. L. 108–7, div. H, title I, §7, Feb. 20, 2003, 117 Stat. 350) | 6115 note |
| 33 | 6301 |
| 33 note (Pub L. 97-51, §112(e), Oct. 1, 1981, 95 Stat. 963) | 6301 note |
| 34 | 5301 |
| 35 | 5302 |
| 35a | 5303 |
| 36 | 6302 |
| 36a | 4592 |
| 37 | 5304 |
