Products under a customs warehousing or free-zone procedure may undergo the following operations therein in accordance with the conditions laid down by the competent authorities: (a) stocktaking; (b) the affixing of marks, seals, labels or other similar distinguishing signs to the products or goods or to their packaging, provided that this entails no risk of implying that the products originate elsewhere; (c) altering the marks and numbers on packages or changing of labels, provided that this entails no risk of implying that the products originate elsewhere; (d) packaging, unpacking, changing packaging or repairing packaging, provided that this entails no risk of implying that the products originate elsewhere; (e) airing; (f) chilling; (g) freezing.
