27 C.F.R. § 70.501
When used in this subpart, where not otherwise distinctly expressed or manifestly incompatible with the intent thereof, terms shall have the meaning ascribed in this section.
Article. The commodity in respect to which the amount claimed was paid or collected as a tax.
Claimant. Any person who files a claim for a refund or credit of tax under this subpart.
District director of customs. The district director of customs at a headquarters port of the district (except the district of New York, N.Y.); the area directors of customs in the district of New York, N.Y.; and the port director at a port not designated as a headquarters port.
I.R.C. Internal Revenue Code of 1986, as amended.
Owner. A person who, by reason of a proprietary interest in the article, furnished the amount claimed to the claimant for the purpose of paying the tax.
Person. An individual, a trust, estate, partnership, association, company, or corporation.
Tax. Any tax imposed by 26 U.S.C. 5001 - 5066 , or by any corresponding provision of prior internal revenue laws, and in the case of any commodity of a kind subject to a tax under any such sections, any tax equal to any such tax, any additional tax, or any floor stocks tax. The term includes an extraction denominated a "tax", and any penalty, addition to tax, additional amount, or interest applicable to any such tax.
27 C.F.R. § 70.501