(1) Where:
(a) a person who is entitled to a parliamentary allowance dies; or
(b) a person who is entitled to a retiring allowance (whether or not the retiring allowance is immediately payable) dies;
benefits are payable in accordance with this section.
(2) Subject to sections 19AAA and 21AA, if the deceased person is survived by a spouse, there is payable to the spouse an annuity, during his or her life - time, at a rate ascertained in accordance with subsection (3).
(3) The rate of the annuity referred to in subsection (2) is five - sixths of the rate of the retiring allowance that would have been applicable to the deceased person if he or she had not died and:
(aa) where he or she died while entitled to a retiring allowance the rate of which was, at the time of his or her death, reduced under section 21B--the rate of retiring allowance to which he or she was entitled was not so reduced;
(a) where he or she died while entitled to a parliamentary allowance--he or she had ceased to be entitled to that allowance on the date of his or her death; and
(b) where his or her period of service was less than 8 years--his or her period of service had been 8 years.