(A) Terms, phrases, and words used in this article, except for those defined in subsection (B) of this section, are defined as they are defined under subchapter B of Chapter 13 of the Internal Revenue Code of 1986.
(B) As used in this article the phrase:
"Original transferor" means any transferor, as defined in Internal Revenue Code Section 2652, who by grant, gift, trust, will, or otherwise makes a transfer of real or personal property that results in a federal generation-skipping transfer tax under applicable provisions of the Internal Revenue Code at any time and for which a credit is available under Section 2604.