New York Consolidated Laws, General City Law - GCT § 3. Rate of tax

Not over $1,000

0.4% of the city taxable income

$4 plus 0.6% of excess over $1,000

$16 plus 0.8% of excess over $3,000

$40 plus 1.0% of excess over $6,000

Over $10,000 but not over $15,000

$80 plus 1.2% of excess over $10,000

Over $15,000 but not over $20,000

$140 plus 1.4% of excess over $15,000

Over $20,000 but not over $25,000

$210 plus 1.6% of excess over $20,000

Over $25,000 but not over $30,000

$290 plus 1.8% of excess over $25,000

Over $30,000

$380 plus 2.0% of excess over $30,000