§ 4262. Definition of taxable transportation
(a)
Taxable transportation; in general
For purposes of this part, except as provided in subsection (b), the term “taxable transportation” means—
(1)
transportation by air which begins in the United States or in the 225–mile zone and ends in the United States or in the 225–mile zone; and
(2)
in the case of transportation by air other than transportation described in paragraph (1), that portion of such transportation which is directly or indirectly from one port or station in the United States to another port or station in the United States, but only if such portion is not a part of uninterrupted international air transportation (within the meaning of subsection (c)(3)).
(b)
Exclusion of certain travel
For purposes of this part, the term “taxable transportation” does not include that portion of any transportation by air which meets all 4 of the following requirements:
(2)
neither such portion nor any segment thereof is directly or indirectly—
(c)
Definitions
For purposes of this section—
(1)
Continental United States
The term “continental United States” means the District of Columbia and the States other than Alaska and Hawaii.
(2)
225-mile zone
The term “225-mile zone” means that portion of Canada and Mexico which is not more than 225 miles from the nearest point in the continental United States.
(3)
Uninterrupted international air transportation
The term “uninterrupted international air transportation” means any transportation by air which is not transportation described in subsection (a)(1) and in which—
(A)
the scheduled interval between
(i)
the beginning or end of the portion of such transportation which is directly or indirectly from one port or station in the United States to another port or station in the United States and
(ii)
the end or beginning of the other portion of such transportation is not more than 12 hours, and
(B)
the scheduled interval between the beginning or end and the end or beginning of any two segments of the portion of such transportation referred to in subparagraph (A)(i) is not more than 12 hours.
For purposes of this paragraph, in the case of personnel of the United States Army, Air Force, Navy, Marine Corps, and Coast Guard traveling in uniform at their own expense when on official leave, furlough, or pass, the scheduled interval described in subparagraph (A) shall be deemed to be not more than 12 hours if a ticket for the subsequent portion of such transportation is purchased within 12 hours after the end of the earlier portion of such transportation and the purchaser accepts and utilizes the first accommodations actually available to him for such subsequent portion.
(d)
Transportation
For purposes of this part, the term “transportation” includes layover or waiting time and movement of the aircraft in deadhead service.
(e)
Authority to waive 225-mile zone provisions
(1)
In general
If the Secretary of the Treasury determines that Canada or Mexico has entered into a qualified agreement—
(2)
Termination of waiver
If a determination was made under paragraph (1) with respect to any country and the Secretary of the Treasury subsequently determines that the agreement is no longer in effect or that the agreement is no longer a qualified agreement—
(3)
Qualified agreement
For purposes of this subsection, the term “qualified agreement” means an agreement between the United States and Canada or Mexico (as the case may be)—
(4)
Requirement that agreement be submitted to Congress
No notice may be published under paragraph (1)(A) with respect to any qualified agreement before the date 90 days after the date on which a copy of such agreement was furnished to the Committee on Ways and Means of the House of Representatives and the Committee on Finance of the Senate.