To amend the Internal Revenue Code of 1986 to allow Federal civilian and military retirees to pay health insurance premiums on a pretax basis and to allow a deduction for TRICARE supplemental premiums.

Amends the Internal Revenue Code to permit: (1) Federal civilian and military retirees to pay Federal Employees Health Benefits Program and TRICARE supplemental premiums on a pretax basis; and (2) a deduction (available to itemizers and nonitemizers) for TRICARE supplemental premiums and enrollment fees.Sets an implementation deadline of the first open enrollment period beginning not less than 90 days following enactment.