N.J. Stat. § 54:34-3
A tax shall be assessed on the transfer of property made subject to tax as aforesaid in this state of a nonresident decedent if all or any part of the estate of such decedent, wherever situate, shall pass to transferees, distributees or beneficiaries, taxable under chapters 33 to 36 of this title (s. 54:33-1 et seq.), which tax shall bear the same ratio to the entire tax which the said estate would have been subject to under said chapters 33 to 36 if such nonresident decedent had been a resident of this state, and all his property, real and personal, had been located within this state, as such taxable property within this state bears to the entire estate, wherever situated.
Nothing in this section shall apply to a specific bequest or devise of property in this state.
N.J.S. § 54:34-3