200. Any opening, un-packing, waiving, measuring, re-packing, bulking, sorting, letting, marking, numbering, loading, unloading, carrying or lading of goods or their containers for the purposes of, or incidental to, the ¹[examination, including any investigation, scientific or chemical test or draft survey, by an officer of Customs, removal or warehousing thereof shall be done, and any facilities or assistance required for any such examination, investigation, test or survey shall be provided, by or at the expense of the owner of the goods].