tax home
(3) Tax home The term “tax home” means, with respect to any individual, such individual’s home for purposes of section 162(a)(2) (relating to traveling expenses while away from home). An individual shall not be treated as having a tax home in a foreign country for any period for which his abode is within the United States, unless such individual is serving in an area designated by the President of the United States by Executive order as a combat zone for purposes of section 112 in support of the Armed Forces of the United States.