To amend the Internal Revenue Code of 1986 to clarify the calculation of the reserve allowance for medical benefits of plans sponsored by bona fide associations.

Amends the Internal Revenue Code to allow a bona fide association (an association which has been actively in existence for at least five years and has been formed and maintained in good faith for purposes other than obtaining insurance) to maintain an additional reserve fund for medical benefits plans not to exceed 35 percent of the sum of certain direct costs and changes in claims incurred.