Colorado Code
Part 3 - Corporations
§ 39-22-301. Corporate Tax Imposed

(G) For income tax years commencing on or after July 1, 1993, but prior to January 1, 1999, five percent of the Colorado net income;
(H) For income tax years commencing on or after January 1, 1999, but prior to January 1, 2000, four and three-quarters percent of the Colorado net income;
(I) Except as otherwise provided in section 39-22-627, for income tax years commencing on or after January 1, 2000, but before January 1, 2020, four and sixty-three one hundredths percent of the Colorado net income;
(J) Except as otherwise provided in section 39-22-627, for income tax years commencing on or after January 1, 2020, four and fifty-five one-hundredths percent of the Colorado net income.

(1.1) For income tax years commencing on or after January 1, 1981, but before January 1, 1982, the tax imposed by paragraph (b) of subsection (1) of this section shall be reduced in accordance with the following table:
(1.2) For income tax years commencing on or after January 1, 1982, but before January 1, 1983, the tax imposed by paragraph (b) of subsection (1) of this section shall be reduced in accordance with the following table:
(1.3) For income tax years commencing on or after July 1, 1986, but before July 1, 1987, the tax imposed by paragraph (c) of subsection (1) of this section shall be reduced in accordance with the following table:
(1.4) and (1.5) Repealed.

(I) "Charitable organization" means a charitable organization exempt from federal income taxation under the provisions of the internal revenue code.
(II) "Crop" means an agricultural crop, including but not limited to grains, fruits, and vegetables, which is usable as food for human beings.

If the Colorado net income is: The tax is: $50,000.00 or less 5.5% of the Colorado net income Over $50,000.00 $2,750.00 plus 6% of the excess Colorado net income over $50,000.00 (B) For income tax years commencing on or after July 1, 1988, but before July 1, 1989: If the Colorado net income is: The tax is: $50,000.00 or less 5% of the Colorado net income Over $50,000.00 $2,500.00 plus 5.5% of the excess Colorado net income over $50,000.00 (C) For income tax years commencing on or after July 1, 1989, but before July 1, 1990: If the Colorado net income is: The tax is: $50,000.00 or less 5% of the Colorado net income Over $50,000.00 $2,500.00 plus 5.4% of the excess Colorado net income over $50,000.00 (D) For income tax years commencing on or after July 1, 1990, but before July 1, 1991: If the Colorado net income is: The tax is: $50,000.00 or less 5% of the Colorado net income Over $50,000.00 $2,500.00 plus 5.3% of the excess Colorado net income over $50,000.00 (E) For income tax years commencing on or after July 1, 1991, but before July 1, 1992: If the Colorado net income is: The tax is: $50,000.00 or less 5% of the Colorado net income Over $50,000.00 $2,500.00 plus 5.2% of the excess Colorado net income over $50,000.00 (F) For income tax years commencing on or after July 1, 1992, but before July 1, 1993: If the Colorado net income is: The tax is: $50,000.00 or less 5% of the Colorado net income Over $50,000.00 $2,500.00 plus 5.1% of the excess Colorado net income over $50,000.00
If the Colorado net income is: The reduction is: Not over $25,000.00 1% of the Colorado net income Over $25,000.00 but not $250.00 plus 0.5% of the excess over $50,000.00 over $25,000.00 Over $50,000.00 $375.00
If the Colorado net income is: The reduction is: Not over $25,000.00 1% of the Colorado net income Over $25,000.00 but not $250.00 plus 0.5% of the excess over $75,000.00 over $25,000.00 Over $75,000.00 $500.00
If the Colorado net income is: The reduction is: Not over $50,000.00 .75% of the Colorado net income Over $50,000.00 but not $375.00 plus .5% of the excess over $200,000.00 over $50,000.00 Over $200,000.00 $1,125.00
Source: L. 64: R&RE, p. 768, § 1. C.R.S. 1963: § 138-1-35. L. 69: p. 1129, § 2. L. 81: (1) amended, (1.1), (1.2), (1.3), (1.4), and (1.5) added, p. 1872, § 9, effective June 29. L. 82: (3) added, p. 564, § 2, effective April 22. L. 83: (1) and (1.1) to (1.5) amended, p. 1516, § 2, effective March 22; (1) and (1.3) to (1.5) amended, p. 2096, § 3, effective October 13. L. 85: (1) and (1.3) to (1.5) amended, p. 1265, § 3, effective May 30. L. 86: (1) amended, (1.3) and (1.4) R&RE, and (1.5) repealed, pp. 1117, 1118, 1120, §§ 14, 15, 22, effective July 1. L. 86, 2nd Ex. Sess.: (1.3) and (1.4) amended, p. 73, § 1, effective August 15. L. 87: (1)(b) and (1)(c) amended, (1)(d) and (3) R&RE, and (1.4) repealed, pp. 1438, 1439, 1457, §§ 7, 8, 31, effective June 22; (1)(d)(I)(A) amended, p. 1590, § 70, effective July 10. L. 89: (1)(d)(II) amended, p. 1499, § 1, effective July 1, 1990. L. 92: (1)(a) to (1)(c), IP(1)(d)(I), and (1)(d)(II) amended, p. 2266, § 7, effective April 16. L. 99: (1)(d)(I)(G) amended and (1)(d)(I)(H) added, p. 1376, § 2, effective August 4. L. 2000: (1)(d)(I)(H) amended and (1)(d)(I)(I) added, p. 1414, § 3, effective August 2. L. 2005: (1)(d)(I)(I) amended, p. 1361, § 2, effective June 6. Initiated 2020: (1)(d)(I)(I) amended and (1)(d)(I)(J) added, Proposition 116, effective upon proclamation of the Governor, effective December 31, 2020.

FOR: : 1,821,702
AGAINST: : 1,327,025