"Foreign affiliate" of a taxpayer means a person, other than the taxpayer, if no part of the business income of the person is subject to the federal income tax under the federal Internal Revenue Code of 1986, as amended, whether or not the person and the taxpayer are owned or controlled directly or indirectly by the same interests.
"Subject to the federal income tax" when referring to a person means that the United States has jurisdiction to subject the person to the tax imposed by chapter 1 (with respect to income tax) of the federal Internal Revenue Code of 1986, as amended.
Haw. Code R. § 18-235-38.5-02