N.J. Stat. Ann. § 3B:2-6

Any oath, affidavit, deposition or proof required to be made or taken in any proceeding before a surrogate, the surrogate's court or in the Superior Court, or necessary or proper to be used before the surrogate or the court, may be made and taken before the surrogate or before any individual authorized by law to administer oaths. Qualifications of executors and administrators and acceptances of trusteeships and guardianships may be taken as provided by the rules of the Supreme Court.