Section 417.540 - Enrollment costs(a)Principle. Enrollment costs are allowable if incurred in maintaining and servicing subscriber contracts for prepayment enrollees.(b)Kind of costs included. Enrollment costs include, but are not limited to, reasonable costs incurred in connection with maintaining statistical, financial, and other data on enrollees.50 FR 1346, Jan. 10, 1985, as amended at 58 FR 38082, July 15, 1993