Other Administrative Fees. The New York City Deferred Compensation Plan (DCP) allows eligible New York City employees a way to save for retirement through convenient payroll deductions.Timeline: June. July. Sign up and manage your deferred compensation retirement account. A voluntary retirement savings plan that provides quality investment options, investment educational programs and related services. The rule of 55, or the 401k 55 rule, lets you withdraw penaltyfree from your 401(k) or 403(b) before you reach 59.5, in certain situations.