(a) any land, building, premises or plant, not being the land, building, premises or plant of a registered seed cleaner, which he has reasonable cause to believe is being used in the cleaning of prescribed seed in contravention of this Act, and inspect the same and any machinery and equipment found therein; and he may seize and remove therefrom and detain any such machinery or equipment, or any prescribed seed, or any book, record or document found therein, which would afford evidence of a contravention of this Act; (b) any land, building, premises or plant, being used by a registered seed cleaner as a seed cleaning plant, for the purpose of inspecting the same as prescribed by regulations under this Act; and if, upon such inspection, he has reasonable cause to believe that the said seed cleaning plant, or any machinery or equipment to be found therein, is being maintained, operated or used in contravention of this Act, he may seize and remove therefrom and detain any such machinery or equipment or any prescribed seed or any book, record or document found therein, which would afford evidence of a contravention of this Act; and if he has reasonable cause to believe that any of the machinery or equipment found therein is, because of a mechanical or operational defect, contributing to the distribution from the said plant of any prescribed seed which is not cleaned to the standards therefor prescribed, he may by notice in writing require the registered seed cleaner to rectify the said machinery or equipment within seven days of the receipt of such notice, and in the event of the registered seed cleaner failing to comply with the said notice, the inspector or duly authorised officer shall notify the Certifying Authority of such failure to comply; (c) any land, building, premises or vehicle at, or in which, he has reasonable cause to believe any prescribed or restricted seed is being stored, sold or transported for sale in contravention of this Act, or is being packed in packages or other containers which are marked or labelled, or are being marked or labelled, with any description, mark or date in contravention of this Act, and in the manner prescribed take, without payment, for testing, samples of any prescribed or restricted seed found therein, and the owner of the said land, building, premises or vehicle, or his agent, or the person in custody or control thereof, shall, on demand, furnish to the inspector or duly authorised officer a statement in writing containing such particulars with respect thereto as are prescribed; and he may seize and remove therefrom and detain any prescribed or restricted seed, or any package or container, or any label, stamp or device for marking, stamping or labelling, or any book, record or document found therein, which would afford evidence of a contravention of this Act.