Example 1. The interest of a deceased resident seller located in another state, which was under contract of sale at the date of his or her death, is deemed to be an interest in real property, the transfer of which is not subject to tax under the inheritance tax laws of this State.
Example 2. The interest of a deceased resident buyer, under a contract of sale in effect at the date of death for the purchase of real property located in another state, is deemed personal property and taxable to the extent of the sum paid on account of the contract price at the time of a decedent's death. Pursuant to the provisions of N.J.S.A. 54:34-5, the balance due under the contract will not be allowed as a deduction in determining the clear market value of a decedent's estate subject to tax under the inheritance tax laws of this State;
Example 1. The interest of a deceased nonresident seller of real property located in New Jersey, which was under contract of sale at the date of such nonresident decedent's death, is deemed to be an interest in real property, the transfer of which shall be taxable under the inheritance tax laws of this State. If such nonresident dies intestate, the interest in the New Jersey real property is, for the purposes of the inheritance tax laws of this State, deemed to have descended under the intestate laws of this State to the decedent's heirs at law.
Example 2. The interest of a deceased nonresident buyer, under a contract in effect at the date of death to purchase real property located in New Jersey, is deemed personal property and is not subject to tax under the inheritance tax laws of this State; and
N.J. Admin. Code § 18:26-5.4