General Assembly Proposed Bill No. 663 January Session, 2013 LCO No. 2376 Referred to Committee on FINANCE, REVENUE AND BONDING Introduced by: SEN. LOONEY, 11th Dist. General Assembly Proposed Bill No. 663 January Session, 2013 LCO No. 2376 Referred to Committee on FINANCE, REVENUE AND BONDING Introduced by: SEN. LOONEY, 11th Dist. AN ACT CONCERNING THE TOP MARGINAL INCOME TAX RATE. Be it enacted by the Senate and House of Representatives in General Assembly convened: That chapter 229 of the general statutes be amended to increase the top income tax rate from six and seven-tenths per cent to six and nine-tenths per cent. Statement of Purpose: To increase top marginal income tax rate from 6.7 per cent to 6.9 per cent.