26 USC 4942
26 USC 4942
  181.0320 (2), 701.1201 (2)
26 USC 4943
26 USC 4943
  181.0320 (1) (b), 701.1201 (1) (a) 2.
26 USC 4944
26 USC 4944
  181.0320 (1) (c), 701.1201 (1) (a) 3.
26 USC 4945
26 USC 4945
  181.0320 (1) (d), 701.1201 (1) (a) 4.
26 USC 4947
26 USC 4947
  701.1201 (1) (a) (intro.), (b), (2)
26 USC 4973
26 USC 4973
  71.83 (1) (a) 6.
26 USC 4974
26 USC 4974
  71.83 (1) (a) 6.
26 USC 4975
26 USC 4975
  71.83 (1) (a) 6.
26 USC 4980A
26 USC 4980A
  71.83 (1) (a) 6.
26 USC 4980B
26 USC 4980B
  632.745 (8) (a)
26 USC 5000A
26 USC 5000A
  632.885 (1) (af)
26 USC 5051
26 USC 5051
  125.02 (2d) (a), (2p) (a)
26 USC 5177
26 USC 5177
  108.145
26 USC 5701
26 USC 5701
  139.31 (1) (c), (d)
26 USC 5801
26 USC 5801
  941.28 (4), 941.298 (3) (c)
26 USC 5872
26 USC 5872
  941.28 (4), 941.298 (3) (c)
26 USC 6011
26 USC 6011
  71.81 (1) (a)
26 USC 6013
26 USC 6013
  71.03 (2) (d) 2., (f)
26 USC 6015
26 USC 6015
  71.10 (6) (a)
26 USC 6033
26 USC 6033
  202.12 (5) (a) 1.
26 USC 6053
26 USC 6053
  108.02 (26) (b) 3.
26 USC 6111
26 USC 6111
  71.81 (7) (a)
26 USC 6166
26 USC 6166
  72.225 (1)
26 USC 6402
26 USC 6402
  108.16 (6) (L), (6m) (g), (10), 108.22 (1r)
26 USC 7502
26 USC 7502
  71.80 (18), 77.61 (14), 78.22 (4), 139.03 (2x) (d), 139.05 (2a), 139.315 (4), 139.38 (5)
26 USC 7508
26 USC 7508
  71.03 (7) (a), (b), (c), (d), (e), 73.01 (4) (h), 73.03 (34)
26 USC 7508A
26 USC 7508A
  71.03 (7) (f), 71.07 (5) (a) 3., 71.09 (11) (e), 71.24 (7) (b), 71.29 (7) (c), 71.44 (3) (b), 71.775 (4) (bm) 2.
26 USC 7701
26 USC 7701
  71.02 (1), 71.05 (6) (b) 13. (intro.), 14. (intro.), 48., 48m., 71.07 (6m) (a) 1., 71.10 (1m) (b), 71.20 (1), 71.22 (1k), 71.30 (2m) (b), 71.63 (3) (c), 71.65 (3) (h), 71.80 (1m) (b), 73.03 (50) (d), 73.0306, 77.51 (7) (a) 2., 214.045, 779.97 (2) (c) 1.
26 USC 7702B
26 USC 7702B
  49.45 (31) (b) 2., (e) 1., 71.07 (5) (a) 15.