N.J. Stat. § 24:11A-9
The department shall administer and enforce the provisions of this act. The department and any authorized agent, officer or employee thereof, is authorized to take samples for analysis and to conduct examinations and investigations and shall have full access to any place, container or conveyance used in the production, preparation and manufacture, packing, storage, transportation, handling, distribution or sale of any flour, white bread or rolls, and may examine and open any package or container which is believed to contain any flour, bread or rolls manufactured, sold, exposed for sale, or had in possession with intent to distribute, sell or serve, in violation of any provision of this act, or of any rule or regulation issued hereunder, and inspect the contents thereof and take therefrom samples for examination or analysis.
N.J.S. § 24:11A-9