64. Owner' s right to deal with warehoused goods. With, the sanction of the proper officer and on payment of the prescribed fees, the owner of any goods may either before or after warehousing the same-
separate damaged or deteriorated goods from the rest
sort the goods or change their containers for the purpose of preservation, sale, export or disposal of the goods;
deal with the goods and their containers in such manner as may be necessary to prevent loss or deterioration or damage to the goods;
show the goods for sale; or
take samples of goods without entry for home consumption, and if the proper officer so permits, without payment of duty on such samples.