EXEMPTION FROM CUSTOMS EXAMINATIONS AND CHARGES 1. Provided the provisions of Article 4 and 5 of this Annex are satisfied, goods carried in approved sealed means of transport, sealed packages, or accepted by Customs office of commencement as goods not susceptible to tampering substitution or manipulation, and permitted to be carried unsealed shall not: 2. a) be subject to the payment of import or export duties at Customs office en-route; and b) as a general rule, be subject to Customs examination at such offices. However, in order to prevent abuse, the Customs authorities may, where they suspect an irregularity, carry out at such offices a partial or full examination of the goods. ARTICLE 9 TRANSIT PROCEDURES 1. All transit goods and means of transport shall be presented to the Customs office of commencement together with duly completed SADC Transit Documents supported by appropriate bonds as necessary for examination and affixing of Customs seals. The office of commencement shall decide whether means of transport to be used provides enough safeguards to ensure to ensure Customs security and whether the shipment may be made under cover of relevant SADC Transit Document. 2. Where it is not possible for goods to be transported in sealed means of transport compartments, the Customs authorities at the Customs office of commencement may authorise