the collection of customs duties, temporary admission, warehousing, cross-border trade and export drawbacks; (c) trade remedies and customs offences; the prevention, investigation and suppression of (d) national and joint institutional arrangements; (e) training facilities and programmes on customs and trade; (f) production and exchange of customs and trade statistics and information; and (g) the promotion of exports. 2. For purposes of sub-paragraph 1(a) of this Article, the Partner States shall co-operate in: (a) adopting uniform, comprehensive and systematic tariff classification of goods with a specific description and interpretation in accordance with internationally accepted standards; (b) adopting a standard system of valuation of goods based on principles of equity, uniformity and simplicity of application in accordance with internationally accepted standards and guidelines; (c) establishing common terms and conditions governing temporary importation procedures including the list or range of goods to be covered and the nature of manufacturing or processing to be authorised; (d) implementing the customs requirements for re-exportation of goods; (e) implementing the customs requirements for the transit of goods; (f) harmonising and simplifying customs and trade formalities and documentation and dissemination of information; (g) harmonising the customs requirements for the control of warehoused goods; and (h) adopting common procedures for the establishment and operation of export promotion schemes and freeports. 10