New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 12-6

a. the applicant has made a material false statement or concealed a material fact in connection with his application therefor;  

b. the applicant has failed to furnish satisfactory evidence of the facts required of him in section five of this act   1;  or

c. the applicant for an instructor's license is not of good moral character;  that he has not held a license to drive a motor vehicle within the State for the past three consecutive years;  that he has not had a driving record satisfactory to the director;  that he has been convicted of crime;  that he is disqualified for a motorcycle safety education instructor endorsement for any reason set forth in section 2 of P.L.1991, c. 452 (C. 27:5F-37).