New Jersey · TPAF · Glossary

TPAF words, in plain English

The terms you'll meet in MBOS, in NJDPB letters and on this site, each in a sentence or two, with the page it comes from.

Chapter 78

P.L. 2011, c. 78 (effective June 28, 2011): raised contributions, set Tier 5, suspended COLAs and set retiree health contributions.

N.J.S.A. 18A:66-29, 18A:66-43(c), 43:3B-2; Fact Sheet #11 p. 3Chapter 78 health contributions →

COLA

Cost-of-living adjustment. Suspended for all New Jersey pension systems since June 28, 2011; increases granted before then stay.

Guidebook p. 34; N.J.S.A. 43:3B-2COLA: suspended since 2011 →

DCRP

Defined Contribution Retirement Program, an investment account for pay above the compensation limit (Tiers 2-5) or for people who don't meet TPAF salary or hours rules.

Guidebook p. 23The pension formula and the DCRP →

Early Retirement

Retirement before the service retirement age with 25 years of service (30 in Tier 5), reduced for each month you are under the tier's reduction age.

Guidebook p. 25Early retirement →

Pop-up option

Options A, B, C and D: your beneficiary gets 100%, 75%, 50% or 25% of your check, and your check rises to the Maximum if your beneficiary dies first.

Guidebook pp. 29-30Payment options →

Purchase of service

Buying credit for eligible service that wasn't covered, such as temporary service, leaves, out-of-state or military service, at a cost set by the purchase rate chart.

Guidebook pp. 14-16Buying service credit →

Tier

The set of TPAF rules you fall under, from Tier 1 to Tier 5, set by the date you were first eligible to enroll. It decides your formula, final average salary period and retirement ages.

Guidebook p. 7Which tier am I? →

Plain English, not the official wordingThese definitions put the NJDPB's publications into everyday words. They aren't the official definitions, and they aren't legal or financial advice. The NJDPB decides your benefit.

Estimate your pension →

Source: TPAF Member Guidebook, July 2026 (SP-0733-0726), pp. 4, 7, 10, 12, 14-16, 23, 25-26, 29-30, 32, 34. Also: NJDPB Fact Sheet #86 (Sept. 2025), p. 2. Also: NJDPB Fact Sheet #11 (Oct. 2026), pp. 1, 3. Also: NJDPB Fact Sheet #79 (Feb. 2026), p. 1. Statute: N.J.S.A. 18A:66-2, 18A:66-29, 18A:66-43, 43:3B-2. Last reviewed .