The plan administrator shall value all benefits as of the valuation date by—
(a) Using the mortality assumptions prescribed by
§ 4044.53 and the interest assumptions prescribed in appendix B to this part;
(b) Using interpolation methods, where necessary, at least as accurate as linear interpolation;
(c) Using valuation formulas that accord with generally accepted actuarial principles and practices; and
(d) Adjusting the values to reflect loading expenses in accordance with appendix C to this part.
29 C.F.R. § 4044.52 — Valuation of benefits. · eCFR editorial change effective 2017-01-01 · https://pensionresource.website/EAMain?content=EAMain.Law&id=cfr29-4044.52&asof=2009-01-05 · printed Oct 16, 2026