Armed and Foreign Services Tax Fairness Act of 2003

Armed and Foreign Services Tax Fairness Act of 2003 - Amends the Internal Revenue Code to authorize a member of the uniformed services or the Foreign Service serving on "qualified official extended duty" (any duty in excess of 90 days while serving at a duty station which is at least 50 miles from the principal residence or while residing under Government orders in Government quarters), to extend for ten years the five-year period utilized in determining full exclusion of gain from the sale of a principal residence.