Section 841.407 - Notice of normal cost percentage determinations(a) No later than 5 years after the publication of a current notice of normal cost percentages, OPM will publish in the FEDERAL REGISTER a notice that will contain updated normal cost percentages.(b) The notice of normal cost percentage will include a statement of-(1) The normal cost percentages and any single agency rates for each category of employees;(2) The effective date of any changes made by the notice;(3) The address for obtaining information on the data and assumptions used in computing the normal cost percentages;(4) The time limit for submission of appeals under § 841.409 ; and(5) The address for filing an appeal under § 841.409 .51 FR 47187, Dec. 31, 1986, as amended at 82 FR 49280, Oct. 25, 2017