(1) The proper officer may, on the entry or clearance of any goods or at any time while such goods are being passed through the customs area, take samples of such goods in the presence of the owner thereof, for examination or testing, or for ascertaining the value thereof, or for any other purposes of this Act.

(2) After the purpose for which a sample was taken is carried out, such sample shall, if practicable, be restored to the owner, but if the owner fails to take delivery of the sample within three months of the date on which the sample was taken, it may be disposed of in such manner as the Principal Commissioner of Customs or Commissioner of Customs may direct.

(3) No duty shall be chargeable on any sample of goods taken under this section which is consumed or destroyed during the course of any test or examination thereof.