Armed Forces Tax Fairness Act of 2003

[AI summary unavailable — showing source text] Armed Forces 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 180 days while serving at a duty station which is at least 150 miles from the principal residence or while residing under Government orders in Government quarters), to extend for five years the five-year period utilized in determining full exclusion of gain from the sale of a principal residence. Includes among the uniformed services: (1) the armed forces; (2) the commissioned corps of the National Oceanic and Atmospheric Administration; and (3) the commissioned corps of the Public Health Service. Makes the above provisions effective as if included in section 312 of the Taxpayer Relief Act of 1997. States that if a refund or credit resulting from such provisions is prevented before the close of the one-year period beginning on the date of the enactment of this Act by the operation of any law or rule of law (including res judicata), such refund or credit may be allowed if claimed before the close of such period. Excludes from gross income as a qualified military benefit the…