An inspector may at any reasonable time—
(a) inspect, count, examine or mark for identification, any plant, plant product, used package, used equipment or earth material; or
(b) require any person who appears to be in charge, for the time being, of plants or plant products to produce any package in which the plants or plant products are contained and to permit the inspector to open and inspect the package or the plant or plant products and to take a sample of the plants or plant products in accordance with this Act.