As used in this subchapter, unless the context otherwise requires:
(1) “Beneficial owner” means an individual who is the grantor and sole trustee of a revocable living trust wherein the individual reserves the unrestricted right to revoke the trust;
(2) “Professional service” means any type of professional service which may be legally performed only pursuant to a license or other legal personal authorization for example, the personal service rendered by certified public accountants, architects, engineers, dentists, doctors, and attorneys at law; and
(3) “Shareholder” means either:
(A) The person in whose name shares are registered in the records of a corporation; or
(B) The beneficial owner of shares of a revocable living trust where the shares are registered in the records of the corporation in the name of the revocable living trust.