B. As used in this article the term or phrase: “Federal generation skipping transfer tax” means the tax imposed by Chapter 13 of subchapter A of the Internal Revenue Code of 1954, as amended. “Generation skipping transfer” includes every transfer subject to the tax imposed under Chapter 13 of subchapter A of the Internal Revenue Code of 1954, as amended, where the original transferor is a resident of the Commonwealth of Virginia at the date of original transfer, or the property transferred is real or personal property having a situs in Virginia. “Original transferor” means any grantor, donor, trustor, or testator who by grant, gift, trust or will 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.