AB406,10 10Section 10. 71.34 (1g) (m) 1. of the statutes is amended to read:
AB406,12,1411 71.34 (1g) (m) 1. For taxable years beginning after December 31, 2020, and
12before January 1, 2022,
for tax option corporations, “Internal Revenue Code" means
13the federal Internal Revenue Code as amended to December 31, 2020, except as
14provided in subds. 2., 3., and 5. and s. 71.98 and subject to subd. 4.
AB406,11 15Section 11. 71.34 (1g) (n) of the statutes is created to read:
AB406,12,1916 71.34 (1g) (n) 1. For taxable years beginning after December 31, 2021, and
17before January 1, 2023, for tax option corporations, “Internal Revenue Code" means
18the federal Internal Revenue Code as amended to December 31, 2021, except as
19provided in subds. 2., 3., and 5. and s. 71.98 and subject to subd. 4.
AB406,13,1920 2. For purposes of this paragraph, “Internal Revenue Code” does not include
21the following provisions of federal public laws for taxable years beginning after
22December 31, 2021: sections 1, 3, 4, and 5 of P.L. 106-519; sections 101, 102, and 422
23of P.L. 108-357; sections 1310 and 1351 of P.L. 109-58; section 11146 of P.L. 109-59;
24section 403 (q) of P.L. 109-135; section 513 of P.L. 109-222; sections 104 and 307 of
25P.L. 109-432; sections 8233 and 8235 of P.L. 110-28; section 11 (e) and (g) of P.L.

1110-172; section 301 of P.L. 110-245; section 15351 of P.L. 110-246; section 302 of
2division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of
3division C of P.L. 110-343; sections 1232, 1251, 1501, and 1502 of division B of P.L.
4111-5; sections 211, 212, 213, 214, and 216 of P.L. 111-226; sections 2011 and 2122
5of P.L. 111-240; sections 754 and 760 of P.L. 111-312; section 1106 of P.L. 112-95;
6sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240; P.L. 114-7; section 1101
7of P.L. 114-74; section 305 of division P of P.L. 114-113; sections 123, 125 to 128, 143,
8144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 307, 326, and 411 of division Q of
9P.L. 114-113; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301,
1013304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202,
1114211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401
12of P.L. 115-97; sections 40304, 40305, 40306, and 40412 of P.L. 115-123; section 101
13(c) of division T of P.L. 115-141; sections 101 (d) and (e), 102, 201 to 207, 301, 302,
14and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), and (xiii)
15and (xvii) (II) of division U of P.L. 115-141; sections 104, 114, 115, 116, 130, and 145
16of division Q of P.L. 116-94; sections 2304 and 2306 of P.L. 116-136; sections 111, 114,
17115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260; P.L.
18117-6; P.L. 117-44; P.L. 117-52; section 307 of division P of P.L. of 117-103; P.L.
19117-167; P.L. 117-263; and P.L. 117-286.
AB406,13,2120 3. For purposes of this paragraph, “Internal Revenue Code” does not include
21amendments to the federal Internal Revenue Code enacted after December 31, 2021.
AB406,14,222 4. For purposes of this paragraph, the provisions of federal public laws that
23directly or indirectly affect the Internal Revenue Code, as defined in this paragraph,
24apply for Wisconsin purposes at the same time as for federal purposes, except that

1changes made by section 9671 of P.L. 117-2; and sections 80501 and 80504 of division
2H of P.L. 117-58 apply for taxable years beginning after December 31, 2021.
AB406,14,635. For purposes of this paragraph, section 1366 (f) of the Internal Revenue Code
4(relating to pass-through of items to shareholders) is modified by substituting the
5tax under s. 71.35 for the taxes under sections 1374 and 1375 of the Internal Revenue
6Code.
AB406,12 7Section 12. 71.34 (1g) (o) of the statutes is created to read:
AB406,14,118 71.34 (1g) (o) 1. For taxable years beginning after December 31, 2022, for tax
9option corporations, “Internal Revenue Code" means the federal Internal Revenue
10Code as amended to December 31, 2022, except as provided in subds. 2., 3., and 5. and
11s. 71.98 and subject to subd. 4.
AB406,15,1112 2. For purposes of this paragraph, “Internal Revenue Code” does not include
13the following provisions of federal public laws for taxable years beginning after
14December 31, 2021: sections 1, 3, 4, and 5 of P.L. 106-519; sections 101, 102, and 422
15of P.L. 108-357; sections 1310 and 1351 of P.L. 109-58; section 11146 of P.L. 109-59;
16section 403 (q) of P.L. 109-135; section 513 of P.L. 109-222; sections 104 and 307 of
17P.L. 109-432; sections 8233 and 8235 of P.L. 110-28; section 11 (e) and (g) of P.L.
18110-172; section 301 of P.L. 110-245; section 15351 of P.L. 110-246; section 302 of
19division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of
20division C of P.L. 110-343; sections 1232, 1251, 1501, and 1502 of division B of P.L.
21111-5; sections 211, 212, 213, 214, and 216 of P.L. 111-226; sections 2011 and 2122
22of P.L. 111-240; sections 754 and 760 of P.L. 111-312; section 1106 of P.L. 112-95;
23sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240; P.L. 114-7; section 1101
24of P.L. 114-74; section 305 of division P of P.L. 114-113; sections 123, 125 to 128, 143,
25144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 307, 326, and 411 of division Q of

1P.L. 114-113; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301,
213304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202,
314211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401
4of P.L. 115-97; sections 40304, 40305, 40306, and 40412 of P.L. 115-123; section 101
5(c) of division T of P.L. 115-141; sections 101 (d) and (e), 102, 201 to 207, 301, 302,
6and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), and (xiii)
7and (xvii) (II) of division U of P.L. 115-141; sections 104, 114, 115, 116, 130, and 145
8of division Q of P.L. 116-94; sections 2304 and 2306 of P.L. 116-136; sections 111, 114,
9115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260; P.L.
10117-6; P.L. 117-44; P.L. 117-52; section 307 of division P of P.L. of 117-103; P.L.
11117-167; P.L. 117-263; P.L. 117-286; and section 4151 of P.L. 117-328.
AB406,15,1312 3. For purposes of this paragraph, “Internal Revenue Code” does not include
13amendments to the federal Internal Revenue Code enacted after December 31, 2022.
AB406,15,2014 4. For purposes of this paragraph, the provisions of federal public laws that
15directly or indirectly affect the Internal Revenue Code, as defined in this paragraph,
16apply for Wisconsin purposes at the same time as for federal purposes, except that
17changes made by sections 9623 and 9624 of P.L. 117-2; sections 80401, 80402, and
1880601 of division H of P.L. 117-58; sections 13203, 13303, and 13801 of P.L. 117-169;
19and sections 102, 111, 114, 124, 126, and 605 of division T of P.L. 117-328 apply for
20taxable years beginning after December 31, 2022.
AB406,15,24215. For purposes of this paragraph, section 1366 (f) of the Internal Revenue Code
22(relating to pass-through of items to shareholders) is modified by substituting the
23tax under s. 71.35 for the taxes under sections 1374 and 1375 of the Internal Revenue
24Code.
AB406,13 25Section 13. 71.42 (2) (m) 1. of the statutes is amended to read:
AB406,16,4
171.42 (2) (m) 1. For taxable years beginning after December 31, 2020, and
2before January 1, 2022,
“Internal Revenue Code" means the federal Internal
3Revenue Code as amended to December 31, 2020, except as provided in subds. 2. and
43. and s. 71.98 and subject to subd. 4.
AB406,14 5Section 14. 71.42 (2) (n) of the statutes is created to read:
AB406,16,96 71.42 (2) (n) 1. For taxable years beginning after December 31, 2021, and before
7January 1, 2023, “Internal Revenue Code" means the federal Internal Revenue Code
8as amended to December 31, 2021, except as provided in subds. 2. and 3. and s. 71.98
9and subject to subd. 4.
AB406,17,910 2. For purposes of this paragraph, “Internal Revenue Code” does not include
11the following provisions of federal public laws for taxable years beginning after
12December 31, 2021: sections 1, 3, 4, and 5 of P.L. 106-519; sections 101, 102, and 422
13of P.L. 108-357; sections 1310 and 1351 of P.L. 109-58; section 11146 of P.L. 109-59;
14section 403 (q) of P.L. 109-135; section 513 of P.L. 109-222; sections 104 and 307 of
15P.L. 109-432; sections 8233 and 8235 of P.L. 110-28; section 11 (e) and (g) of P.L.
16110-172; section 301 of P.L. 110-245; section 15351 of P.L. 110-246; section 302 of
17division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of
18division C of P.L. 110-343; sections 1232, 1251, 1501, and 1502 of division B of P.L.
19111-5; sections 211, 212, 213, 214, and 216 of P.L. 111-226; sections 2011 and 2122
20of P.L. 111-240; sections 754 and 760 of P.L. 111-312; section 1106 of P.L. 112-95;
21sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240; P.L. 114-7; section 1101
22of P.L. 114-74; section 305 of division P of P.L. 114-113; sections 123, 125 to 128, 143,
23144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 307, 326, and 411 of division Q of
24P.L. 114-113; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301,
2513304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202,

114211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401
2of P.L. 115-97; sections 40304, 40305, 40306, and 40412 of P.L. 115-123; section 101
3(c) of division T of P.L. 115-141; sections 101 (d) and (e), 102, 201 to 207, 301, 302,
4and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), and (xiii)
5and (xvii) (II) of division U of P.L. 115-141; sections 104, 114, 115, 116, 130, and 145
6of division Q of P.L. 116-94; sections 2304 and 2306 of P.L. 116-136; sections 111, 114,
7115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260; P.L.
8117-6; P.L. 117-44; P.L. 117-52; section 307 of division P of P.L. of 117-103; P.L.
9117-167; P.L. 117-263; and P.L. 117-286.
AB406,17,1110 3. For purposes of this paragraph, “Internal Revenue Code” does not include
11amendments to the federal Internal Revenue Code enacted after December 31, 2021.
AB406,17,1612 4. For purposes of this paragraph, the provisions of federal public laws that
13directly or indirectly affect the Internal Revenue Code, as defined in this paragraph,
14apply for Wisconsin purposes at the same time as for federal purposes, except that
15changes made by section 9671 of P.L. 117-2; and sections 80501 and 80504 of division
16H of P.L. 117-58 apply for taxable years beginning after December 31, 2021.
AB406,15 17Section 15. 71.42 (2) (o) of the statutes is created to read:
AB406,17,2018 71.42 (2) (o) 1. For taxable years beginning after December 31, 2022, “Internal
19Revenue Code" means the federal Internal Revenue Code as amended to December
2031, 2022, except as provided in subds. 2. and 3. and s. 71.98 and subject to subd. 4.
AB406,18,2021 2. For purposes of this paragraph, “Internal Revenue Code” does not include
22the following provisions of federal public laws for taxable years beginning after
23December 31, 2021: sections 1, 3, 4, and 5 of P.L. 106-519; sections 101, 102, and 422
24of P.L. 108-357; sections 1310 and 1351 of P.L. 109-58; section 11146 of P.L. 109-59;
25section 403 (q) of P.L. 109-135; section 513 of P.L. 109-222; sections 104 and 307 of

1P.L. 109-432; sections 8233 and 8235 of P.L. 110-28; section 11 (e) and (g) of P.L.
2110-172; section 301 of P.L. 110-245; section 15351 of P.L. 110-246; section 302 of
3division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of
4division C of P.L. 110-343; sections 1232, 1251, 1501, and 1502 of division B of P.L.
5111-5; sections 211, 212, 213, 214, and 216 of P.L. 111-226; sections 2011 and 2122
6of P.L. 111-240; sections 754 and 760 of P.L. 111-312; section 1106 of P.L. 112-95;
7sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240; P.L. 114-7; section 1101
8of P.L. 114-74; section 305 of division P of P.L. 114-113; sections 123, 125 to 128, 143,
9144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 307, 326, and 411 of division Q of
10P.L. 114-113; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301,
1113304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202,
1214211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401
13of P.L. 115-97; sections 40304, 40305, 40306, and 40412 of P.L. 115-123; section 101
14(c) of division T of P.L. 115-141; sections 101 (d) and (e), 102, 201 to 207, 301, 302,
15and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), and (xiii)
16and (xvii) (II) of division U of P.L. 115-141; sections 104, 114, 115, 116, 130, and 145
17of division Q of P.L. 116-94; sections 2304 and 2306 of P.L. 116-136; sections 111, 114,
18115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260; P.L.
19117-6; P.L. 117-44; P.L. 117-52; section 307 of division P of P.L. of 117-103; P.L.
20117-167; P.L. 117-263; P.L. 117-286; and section 4151 of P.L. 117-328.
AB406,18,2221 3. For purposes of this paragraph, “Internal Revenue Code” does not include
22amendments to the federal Internal Revenue Code enacted after December 31, 2022.
AB406,19,423 4. For purposes of this paragraph, the provisions of federal public laws that
24directly or indirectly affect the Internal Revenue Code, as defined in this paragraph,
25apply for Wisconsin purposes at the same time as for federal purposes, except that

1changes made by sections 9623 and 9624 of P.L. 117-2; sections 80401, 80402, and
280601 of division H of P.L. 117-58; sections 13203, 13303, and 13801 of P.L. 117-169;
3and sections 102, 111, 114, 124, 126, and 605 of division T of P.L. 117-328 apply for
4taxable years beginning after December 31, 2022.
AB406,16 5Section 16. 71.98 (5) of the statutes is renumbered 71.98 (5) (a) and amended
6to read:
AB406,19,107 71.98 (5) (a) For Except as provided in par. (b), for stock acquired after
8December 31, 2013, section 1202 of the Internal Revenue Code, as amended to
9December 31, 2012, related to the exclusion for gain from certain small business
10stock.
AB406,17 11Section 17. 71.98 (5) (b) of the statutes is created to read:
AB406,19,1312 71.98 (5) (b) For taxable years beginning after December 31, 2018, section 1202
13of the Internal Revenue Code in effect for federal purposes.
AB406,19,1414 (End)
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