Coal Industry Retiree Health Benefit Stability and Fairness Act

Coal Industry Retiree Health Benefit Stability and Fairness Act - Amends the Internal Revenue Code to authorize appropriations to the Combined Fund and the United Mine Workers of America 1992 Benefit Plan to: (1) pay any benefit or administrative costs of unassigned beneficiaries of the Combined Fund; (2) pay any benefit or administrative costs of unassigned beneficiaries of the 1992 UMWA Plan; and (3) eliminate any annual deficit in any premium account of the Combined Fund as certified by the Trustees of the Combined Fund.

Makes other related revisions, including: (1) providing for refunds to certain operators; and (2) reductions in annual health benefit premiums to the Fund in the event of a surplus.

Redefines a coal wage agreement as: (1) the 1988 agreement, meaning the collective bargaining agreement between the settlors which became effective on February 1, 1988; and (2) the coal wage agreement, meaning the 1988 agreement and any predecessor to the 1988 agreement.