6353 Number of units qualifier [C] Desc: Indication of the objective of number of units information. Repr: an..3 1 Number of pricing units Number of units which multiplied by the unit price gives price. 2 Transportable unit Self explanatory. 3 Number of debit units The number of units which are debited by the sender of the consignment to the receiving party. 4 Number of received units The number of units which are received by the receiving party of the consignment. 5 Number of free days for container availability Number of days within which the container will be made available at no charge.