26 USC 170 11.0101 (4),
19.44 (1) (a) 1.,
39.12 (5),
44.20 (3) (a),
48.982 (2e) (f),
71.05 (6) (a) 7.,
71.255 (4) (h),
93.73 (1m) (e),
229.848 (1),
232.03 (1),
247.03 (1),
632.65 (1) (a),
701.1107 (1) 26 USC 267 71.01 (9am),
71.07 (2dm) (a) 4.,
(5h) (a) 4.,
71.10 (1m) (c),
71.22 (9am),
71.25 (8) (d),
71.255 (1) (n),
71.28 (1dm) (a) 4.,
(5h) (a) 4.,
71.30 (2m) (c),
71.34 (1p),
71.42 (4m),
71.47 (1dm) (a) 4.,
(5h) (a) 4.,
71.80 (1m) (c) 26 USC 401 40.02 (31),
40.05 (1) (a) 6.,
(2r) (b) (intro.),
40.08 (14),
40.19 (5),
40.23 (4) (a),
(e) 2.,
3.,
4.,
(f) (intro.),
(h),
(i),
40.285 (5) (b) 2.,
40.82 (3),
66.0603 (1m) (b) 2.,
108.02 (26) (c) 4. a.,
108.05 (7) (a) 2.,
215.13 (44),
244.55 (1) (e),
628.347 (8) (b) 2. 26 USC 408 49.453 (4) (e) 1. (intro.),
a.,
b.,
71.05 (1) (ae) (intro.),
71.98 (1),
108.02 (26) (c) 4. c.,
215.13 (44),
244.55 (1) (a),
(c),
623.06 (4) (b),
(4m),
628.347 (8) (b) 2.