(a)
(1) For taxable years beginning before January 1, 1985, the amount of tax shall be determined as follows:
1.4% of the amount of taxable income not in excess of $1,000;
2.0% of the amount of taxable income in excess of $1,000, but not in excess of $2,000;
3.0% of the amount of taxable income in excess of $2,000, but not in excess of $3,000;
4.2% of the amount of taxable income in excess of $3,000, but not in excess of $4,000;
5.2% of the amount of taxable income in excess of $4,000, but not in excess of $5,000;
6.2% of the amount of taxable income in excess of $5,000, but not in excess of $6,000;
7.2% of the amount of taxable income in excess of $6,000, but not in excess of $8,000;
8.0% of the amount of taxable income in excess of $8,000, but not in excess of $10,000;
8.2% of the amount of taxable income in excess of $10,000, but not in excess of $15,000;
8.4% of the amount of taxable income in excess of $15,000, but not in excess of $20,000;
8.8% of the amount of taxable income in excess of $20,000, but not in excess of $25,000;
9.4% of the amount of taxable income in excess of $25,000, but not in excess of $30,000;
11.0% of the amount of taxable income in excess of $30,000, but not in excess of $40,000;
12.2% of the amount of taxable income in excess of $40,000, but not in excess of $50,000;
13.5% of the amount of taxable income in excess of $50,000.
(2) For taxable years beginning after December 31, 1984, and before January 1, 1986, the amount of tax shall be determined as follows:
1.3% of the amount of taxable income not in excess of $1,000;
1.8% of the amount of taxable income in excess of $1,000, but not in excess of $2,000;
2.7% of the amount of taxable income in excess of $2,000, but not in excess of $3,000;
3.8% of the amount of taxable income in excess of $3,000, but not in excess of $4,000;
4.7% of the amount of taxable income in excess of $4,000, but not in excess of $5,000;
5.6% of the amount of taxable income in excess of $5,000, but not in excess of $6,000;
6.5% of the amount of taxable income in excess of $6,000, but not in excess of $8,000;
7.2% of the amount of taxable income in excess of $8,000, but not in excess of $10,000;
7.4% of the amount of taxable income in excess of $10,000, but not in excess of $15,000;
7.6% of the amount of taxable income in excess of $15,000, but not in excess of $20,000;
7.9% of the amount of taxable income in excess of $20,000, but not in excess of $25,000;
8.5% of the amount of taxable income in excess of $25,000, but not in excess of $30,000;
9.9% of the amount of taxable income in excess of $30,000, but not in excess of $40,000;
10.7% of the amount of taxable income in excess of $40,000.
(3) For taxable years beginning after December 31, 1985, and before January 1, 1987, the amount of tax shall be determined as follows:
1.2% of the amount of taxable income not in excess of $1,000;
1.6% of the amount of taxable income in excess of $1,000, but not in excess of $2,000;
2.5% of the amount of taxable income in excess of $2,000, but not in excess of $3,000;
3.5% of the amount of taxable income in excess of $3,000, but not in excess of $4,000;
4.3% of the amount of taxable income in excess of $4,000, but not in excess of $5,000;
5.1% of the amount of taxable income in excess of $5,000, but not in excess of $6,000;
5.9% of the amount of taxable income in excess of $6,000, but not in excess of $8,000;
6.6% of the amount of taxable income in excess of $8,000, but not in excess of $10,000;
6.7% of the amount of taxable income in excess of $10,000, but not in excess of $15,000;
6.9% of the amount of taxable income in excess of $15,000, but not in excess of $20,000;
7.2% of the amount of taxable income in excess of $20,000, but not in excess of $25,000;
7.7% of the amount of taxable income in excess of $25,000, but not in excess of $30,000;
9.0% of the amount of taxable income in excess of $30,000, but not in excess of $40,000;
9.7% of the amount of taxable income in excess of $40,000.
(4) For taxable years beginning after December 31, 1986, and before January 1, 1988, the amount of tax shall be determined as follows:
1.0% of the amount of taxable income not in excess of $1,000;
1.4% of the amount of taxable income in excess of $1,000, but not in excess of $2,000;
2.3% of the amount of taxable income in excess of $2,000, but not in excess of $3,000;
3.2% of the amount of taxable income in excess of $3,000, but not in excess of $4,000;
3.9% of the amount of taxable income in excess of $4,000, but not in excess of $5,000;
4.6% of the amount of taxable income in excess of $5,000, but not in excess of $6,000;
5.4% of the amount of taxable income in excess of $6,000, but not in excess of $8,000;
6.0% of the amount of taxable income in excess of $8,000, but not in excess of $10,000;
6.1% of the amount of taxable income in excess of $10,000, but not in excess of $15,000;
6.3% of the amount of taxable income in excess of $15,000, but not in excess of $20,000;
6.5% of the amount of taxable income in excess of $20,000, but not in excess of $25,000;
7.0% of the amount of taxable income in excess of $25,000, but not in excess of $30,000;
8.2% of the amount of taxable income in excess of $30,000, but not in excess of $40,000;
8.8% of the amount of taxable income in excess of $40,000.
(5) For taxable years beginning after December 31, 1987, and before January 1, 1996, the amount of tax shall be determined as follows:
3.2% of taxable income in excess of $2,000, but not in excess of $5,000;
5.0% of taxable income in excess of $5,000, but not in excess of $10,000;
6.0% of taxable income in excess of $10,000, but not in excess of $20,000;
6.6% of taxable income in excess of $20,000, but not in excess of $25,000;
7.0% of taxable income in excess of $25,000, but not in excess of $30,000;
7.6% of taxable income in excess of $30,000, but not in excess of $40,000;
7.7% of taxable income in excess of $40,000.
(6) For taxable years beginning after December 31, 1995, and before January 1, 1997, the amount of tax shall be determined as follows:
3.2% of taxable income in excess of $2,000 but not in excess of $5,000;
5.0% of taxable income in excess of $5,000 but not in excess of $10,000;
6.0% of taxable income in excess of $10,000 but not in excess of $20,000;
6.35% of taxable income in excess of $20,000 but not in excess of $25,000;
6.65% of taxable income in excess of $25,000 but not in excess of $30,000;
7.1% of taxable income in excess of $30,000.
(7) For taxable years beginning after December 31, 1996, and before January 1, 1999, the amount of tax shall be determined as follows:
3.1% of taxable income in excess of $2,000 but not in excess of $5,000;
4.85% of taxable income in excess of $5,000 but not in excess of $10,000;
5.8% of taxable income in excess of $10,000 but not in excess of $20,000;
6.15% of taxable income in excess of $20,000 but not in excess of $25,000;
6.45% of taxable income in excess of $25,000 but not in excess of $30,000;
6.9% of taxable income in excess of $30,000.
(8) For taxable years beginning after December 31, 1998, and before January 1, 2000, the amount of tax shall be determined as follows:
2.60% of taxable income in excess of $2,000 but not in excess of $5,000;
4.30% of taxable income in excess of $5,000 but not in excess of $10,000;
5.20% of taxable income in excess of $10,000 but not in excess of $20,000; and
5.60% of taxable income in excess of $20,000 but not in excess of $25,000.
(9) For taxable years beginning after December 31, 1998, and before January 1, 2000, the amount of tax shall be determined by reference to paragraph (a)(8) of this section and 5.95% of taxable income in excess of $25,000 but not in excess of $60,000; and 6.40% of taxable income in excess of $60,000.
(10) For taxable years beginning after December 31, 1999, and before January 1, 2010, the amount of tax shall be determined as follows:
2.2% of taxable income in excess of $2,000 but not in excess of $5,000;
3.9% of taxable income in excess of $5,000 but not in excess of $10,000;
4.8% of taxable income in excess of $10,000 but not in excess of $20,000;
5.2% of taxable income in excess of $20,000 but not in excess of $25,000; and
5.55% of taxable income in excess of $25,000 but not in excess of $60,000.
(11) For taxable years beginning after December 31, 1999, and before January 1, 2010, the amount of tax shall be determined by reference to paragraph (a)(10) of this section and 5.95% of taxable income in excess of $60,000.
(12) For taxable years beginning after December 31, 2009, and before January 1, 2012, the amount of tax shall be determined as follows:
2.2% of taxable income in excess of $2,000 but not in excess of $5,000;
3.9% of taxable income in excess of $5,000 but not in excess of $10,000;
4.8% of taxable income in excess of $10,000 but not in excess of $20,000;
5.2% of taxable income in excess of $20,000 but not in excess of $25,000;
5.55% of taxable income in excess of $25,000 but not in excess of $60,000; and
6.95% of taxable income in excess of $60,000.
(13) For taxable years beginning after December 31, 2011, and before January 1, 2014, the amount of tax shall be determined as follows:
2.2% of taxable income in excess of $2,000 but not in excess of $5,000;
3.9% of taxable income in excess of $5,000 but not in excess of $10,000;
4.8 % of taxable income in excess of $10,000 but not in excess of $20,000;
5.2% of taxable income in excess of $20,000 but not in excess of $25,000;
5.55% of taxable income in excess of $25,000 but not in excess of $60,000; and
6.75% of taxable income in excess of $60,000.
(c) The tax rates established by paragraph (a)(4) of this section shall be revoked effective January 1, 1988, unless the Secretary of Labor has, on or before June 10, 1987, made a written determination, submitted to the Governor, Speaker of the House and President Pro Tempore of the Senate, that the total full-time equivalent employment in the State, as regularly reported by the State Department of Labor, has averaged an annual increase of 6,000 full-time equivalent jobs in nonagricultural wage and salary employment as reported by the Delaware Department of Labor during the period from June 1, 1984, through May 31, 1987. Once the condition of this subsection has been satisfied, there shall be no revocation of the paragraph (a)(4) of this section rates by reason of this subsection. In the event of any revocation of the tax rates established by paragraph (a)(4) of this section, the following rates shall become effective:
1.0% of the amount of taxable income not in excess of $1,000;
1.4% of the amount of taxable income in excess of $1,000, but not in excess of $2,000;
2.3% of the amount of taxable income in excess of $2,000, but not in excess of $3,000;
3.2% of the amount of taxable income in excess of $3,000, but not in excess of $4,000;
3.9% of the amount of taxable income in excess of $4,000, but not in excess of $5,000;
4.6% of the amount of taxable income in excess of $5,000, but not in excess of $6,000;
5.4% of the amount of taxable income in excess of $6,000, but not in excess of $8,000;
6.0% of the amount of taxable income in excess of $8,000, but not in excess of $10,000;
6.1% of the amount of taxable income in excess of $10,000, but not in excess of $15,000;
6.3% of the amount of taxable income in excess of $15,000, but not in excess of $20,000;
6.5% of the amount of taxable income in excess of $20,000, but not in excess of $25,000;
7.0% of the amount of taxable income in excess of $25,000, but not in excess of $30,000;
8.2% of the amount of taxable income in excess of $30,000, but not in excess of $40,000;
9.2% of the amount of taxable income in excess of $40,000, but not in excess of $50,000;
10.1% of the amount of taxable income in excess of $50,000.