5 CFR §841.407

1. (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.
2. (b)The notice of normal cost percentage will include a statement of—
   1. (1)The normal cost percentages and any single agency rates for each category of employees;
   2. (2)The effective date of any changes made by the notice;
   3. (3)The address for obtaining information on the data and assumptions used in computing the normal cost percentages;
   4. (4)The time limit for submission of appeals under § 841.409; and
   5. (5)The address for filing an appeal under § 841.409.