4:7-9. Notices and orders by department and service thereof
All notices, orders or directions issued by the department in connection with this article shall be in writing, supplemented by such printed matter as may be needed to explain the written orders. They shall be served personally upon the owner or manager of the nursery or other establishment or place where the diseased plants are found, or, if no owner or manager can be found in such place, the notice may be delivered to any person found on the place, or may be attached to some conspicuous object on the place. The notice or order shall specify a time, not less than three days from its date, within which it must be complied with.