N.J. Stat. Ann. § 15A:14-16

Creditors shall, if required by the receiver, submit themselves to examination by the receiver and produce before the receiver the records and proof relating to their claims as the receiver may direct. The receiver may also examine under oath all witnesses produced before the receiver relating to the claims, and the receiver shall pass upon, and allow or disallow, the claims, and shall notify the creditors of that determination.