Conn. Gen. Stat. § 7-439g

(1) A reduced amount payable to the member for his lifetime, with the provision that after his death his spouse, if surviving, shall be entitled to receive a lifetime income equal to fifty per cent of the reduced monthly amount payable to the member;

(2) A reduced amount payable to the member for his lifetime, with the provision that after his death, his contingent annuitant shall be entitled to receive a lifetime income equal to either fifty or one hundred per cent of the reduced amount payable to the member;

(3) A reduced amount payable to the member for his lifetime, with the provision that if he shall die within either a ten or twenty-year period following the date his retirement income commences, whichever is selected by the member, the reduced amount continues to his contingent annuitant for the balance of the ten or twenty-year period; or

(4) An amount payable to the member for his lifetime, with no payments continuing after the member's death, except for a lump sum death benefit as provided in section 7-440 .

(b) If a member who is continuing to accrue municipal service or who is on a leave authorized by the municipality, dies on or after July 1, 1985, and (1) after completion of the age and service requirements for retirement under section 7-428 , 7-431 or 7-432 or, (2) after completing twenty-five years of service, his spouse, provided they are lawfully married at the time of the member's death and have been lawfully married for at least twelve months preceding his death, shall receive a lifetime income in an amount equal to fifty per cent of the average of the retirement income that the member would have been entitled to if he had retired the day he died had his benefits been paid under the option specified in subdivision (4) of subsection (a) of this section and the retirement income that the member would have been entitled to if he had retired the day he died and had his benefit been paid under the option specified in subdivision (1) of said subsection. The spouse's eligibility for such benefits shall commence from the day next following the member's date of death. If such member was not eligible to retire at the time of his death, such benefit shall be calculated as if he had reached age fifty-five, but based on his service and final average earnings at his date of death.

(c) If a member who has terminated with at least twenty-five years of service or retired pursuant to section 7-428 , 7-431 or 7-432 , but whose benefits in either event are not yet being paid, dies prior to the commencing date of his benefits, his spouse, provided they have been lawfully married for at least the twelve months preceding his death, shall receive a lifetime income equal to fifty per cent of the average of the retirement income that the member would have been entitled to if his benefits had commenced the date he died had his benefit been paid under the option specified in subdivision (4) of subsection (a) of this section and the retirement income that the member would have been entitled to with such benefits being paid under the option specified in subdivision (1) of said subsection. If such member was not eligible to retire at the time of his death, such benefit shall be calculated as if he had reached age fifty-five. The spouse's eligibility for such benefits shall commence from the day next following the member's date of death.
t income that the member would have been entitled to with such benefits being paid under the option specified in subdivision (1) of said subsection. If such member was not eligible to retire at the time of his death, such benefit shall be calculated as if he had reached age fifty-five. The spouse's eligibility for such benefits shall commence from the day next following the member's date of death.

(d) On and after July 1, 1986, if a member who has completed the age and service requirements for retirement under section 7-428 , 7-431 or 7-432 , and who has elected to receive his retirement benefits under subdivision (2) or (3) of subsection (a) of this section, dies prior to the effective date of commencement of benefits but within ninety days after he first elects to receive his retirement benefits under subdivision (2) or (3) of said subsection (a), then his beneficiary or contingent annuitant shall receive an income in an amount equal to the benefit that would have been payable to the survivor had the member retired the day he died and had his benefit been paid under the option he had elected at the time of his death. This subsection shall not apply after ninety days after the date the member first elects to receive his benefit under subdivision (2) or (3) of subsection (a) of this section. In the event that income payments to a surviving beneficiary or contingent annuitant are payable under this subsection, such payments shall be in lieu of payments under subsections (b) and (c) of this section.

Surviving spouse was not within the class of persons statute was intended to benefit because member waived spousal benefit option in 1986, prior to enactment of spousal consent requirement in 1991. 124 CA 866.

Subsec. (a):

The retirement elections and beneficiary designation of decedent under Subsec. did not become effective because such decedent never satisfied the age and service requirements for retirement. 209 CA 313.