Any pensioner receiving a pension as a result of the prior service by a deceased spouse to a city, whose spouse died prior to January 12, 1965, and who is still qualified to receive the pension, shall receive, in lieu of the present pension award the sum of $3,600.
The provisions of this section shall in no way affect the provisions of section 7 of P.L.1964, c.275 (C.43:13-22.56).