29 CFR 4281.13 : Labor (§ 0.735-1 To Parts 4908-4999) — (Part 1927 To Parts 4908-4999) — Regulations Relating To Labor (Continued) (Part 1927 To Parts 4908-4999) — Pension Benefit Guaranty Corporation (§ 4000.1 To Parts 4908-4999) — Insolvency, Reorganization, Termination, And Other Rules Applicable To Multiemployer Plans (§ 4231.1 To § 4281.47) — Duties Of Plan Sponsor Following Mass Withdrawal (§ 4281.1 To § 4281.47) — Valuation Of Plan Benefits And Plan Assets (§ 4281.11 To § 4281.18) — Benefit valuation methods - in general.

Except as otherwise provided in § 4281.16 (regarding plans that are closing out), the plan sponsor shall value benefits as of the valuation date by -

(a) Using the interest assumptions described in Table I of appendix B to part 4044 of this chapter;

(b) Using the mortality assumptions described in § 4281.14;

(c) Using interpolation methods, where necessary, at least as accurate as linear interpolation;

(d) Applying valuation formulas that accord with generally accepted actuarial principles and practices; and

(e) Adjusting the values to reflect the loading for expenses in accordance with appendix C to part 4044 of this chapter (substituting the term “benefits” for the term “benefit liabilities (as defined in 29 U.S.C. § 1301(a)(16))”).