Three plans are offered: the 457(b)Deferred Compensation Plan, the 403(b) Tax Deferred Annuity Plan, and the 401(k) Savings and Investment Plan. Normal Retirement Age, may defer additional Compensation into the Plan, in addition to the.Complete the Pension Exclusion Computation Worksheet (13A) shown in Instruction 13 in the Maryland resident tax booklet. A traditional IRA, a Roth IRA, a simplified employee plan (SEP), a Keogh Plan or an ineligible deferred compensation plan does not qualify. Enrolling in the Plan is easy. 1. Compensation Deferral Account The portion of a Participant's Account attributable to.