New Jersey Statutes Title 4. Agriculture and Domestic Animals 4 § 19-30

a. issue a potentially dangerous dog registration number and red identification tag along with a municipal potentially dangerous dog license upon a demonstration of sufficient evidence by the owner to the animal control officer that he has complied with the court's orders. The last three digits of each potentially dangerous dog registration number issued by a municipality will be the three number code assigned to that municipality in the regulations promulgated pursuant to section 17 of P.L.1989, c. 307 (C. 4:19-33). The animal control officer shall verify, in writing, compliance to the municipal clerk or other official designated to license dogs in the municipality;

b. publicize a telephone number for reporting violations of this act. This telephone number shall be forwarded to the department and any changes in this number shall be reported immediately to the department.