New Jersey Statutes Title 3B. Administration of Estates Decedents and Others 3B § 9-2

a. Any person who is an heir, or a devisee or beneficiary under a will or testamentary trust, or appointee under a power of appointment exercised by a will or testamentary trust, including a person succeeding to a disclaimed interest, may disclaim in whole or in part any property or interest therein, including a future interest, by delivering and filing a disclaimer under this chapter.

b. Any person who is a grantee, donee, surviving joint tenant, surviving party to a P.O.D. account or a trust deposit account, person succeeding to a disclaimed interest, beneficiary under a nontestamentary instrument or contract, appointee under a power of appointment exercised by a nontestamentary instrument, or a beneficiary under an insurance policy, may disclaim in whole or in part any such property or interest therein by delivering, and if required by N.J.S.3B:9-7, by filing, a written disclaimer under this chapter.

c. A surviving joint tenant may disclaim as a separate interest any property or interest therein devolving to him by right of survivorship without regard to the extent, if any, the surviving joint tenant contributed to the creation of the joint property interest.

d. A disclaimer may be of a pecuniary or a fractional share, expressed as either a percentage or dollar amount, specific property or any limited interest or estate.