N.J. Stat. § 38A:13-3
The Adjutant General may order an examination of a claimant to be made from time to time by a medical officer or officers or physician designated for that purpose. If the claimant refuses to permit such examination, he shall be barred from all right to any claim or allowance under this chapter. The Adjutant General may direct the removal of the claimant to a hospital for treatment on the recommendation of a medical officer or officers or a physician based on an examination. If the claimant refuses to permit such examination or to go to such hospital, or to follow the advice given or treatment prescribed for him therein, he may be barred from all right to any claim or allowance under this chapter at the discretion of the Adjutant General.
N.J.S. § 38A:13-3