### Question
Can you define what supplemental liability means?


### Answer
**Supplemental liability** is defined as the following in *5 U.S.C. § 8401*:

> the estimated excess of—


(A) the actuarial present value of all future benefits payable from the Fund under this chapter based on the service of current or former employees or Members, over


(B) the sum of—


(i) the actuarial present value of deductions to be withheld from the future basic pay of employees and Members currently subject to this chapter pursuant to section 8422

#### Citation:
  - *5 U.S.C. § 8401*
  - Heading: **PART III-EMPLOYEES > Subpart G-Insurance and Annuities > CHAPTER 84-FEDERAL EMPLOYEES&#8217; RETIREMENT SYSTEM > SUBCHAPTER I-GENERAL PROVISIONS**

