The current status for the tax treatment of these benefits is awaiting regulatory guidance under IRC Section 9815 (effective after a regulation is adopted).1
Prior to the passage of health care reform legislation, the following applied:
A reserve for postretirement benefits generally may not be included in determining a fund’s qualified asset account limit if the plan of which the fund is a part is discriminatory with respect to those benefits; thus, in effect, a deduction is not available for contributions to prefund discriminatory benefits.2