Versions of See prior versions of a law on LawServer 2024 N.Y. Retirement and Social Security Law 553 – Additional pension benefit for members of optional twenty year retirement plan 2017 N.Y. Retirement & Social Security Law 553 – Additional Pension Benefit for Members of Optional Twenty Year Retirement Plan 2015 N.Y. Retirement & Social Security Law 553 – Additional Pension Benefit for Members of Optional Twenty Year Retirement Plan 2014 N.Y. Retirement & Social Security Law 553 – – Additional Pension Benefit for Members of Optional Twenty Year Retirement Plan 2013 N.Y. Retirement & Social Security Law 553 – Additional pension benefit for members of optional twenty year retirement plan 2010 N.Y. Retirement & Social Security Law 553 – Additional pension benefit for members of optional twenty year retirement plan