Connecticut StatutesSec. 12-508a. Extension of time for tax return and payment to April 16, 1974. Sec. 12-508a. Extension of time for tax return and payment to April 16, 1974. Section 12-508a is repealed. (P.A. 74-63, S. 4, 5; P.A. 80-307, S. 30, 31.)