N.C. Gen. Stat. § 64-5: Burden of proof.

The burden of proof in any action or proceeding to disqualify a nonresident alien from taking personal property located within this State by succession or testamentary disposition by reason of the provisions of G.S. 64-3, shall be upon the person asserting the disqualification. (1959, c. 1208; 1985 (Reg. Sess., 1986), c. 797, s. 3.)