In addition to the definitions provided in part 725 of this subchapter and § 726.8, the following definitions apply to this subpart:

(a) Division Director means the Director, Division of Coal Mine Workers' Compensation, Office of Workers' Compensation Programs, or such other official authorized by the Division Director to perform any of the functions of the Division Director under this subpart.

(b) President, secretary, or treasurer means the officers of a corporation as designated pursuant to the laws and regulations of the state in which the corporation is incorporated or, if that state does not require the designation of such officers, the employees of a company who are performing the work usually performed by such officers in the state in which the corporation's principal place of business is located.

(c) Principal means any person who has an ownership interest in an operator that is not a corporation, and shall include, but is not limited to, partners, sole proprietors, and any other person who exercises control over the operation of a coal mine.