ECOWAS REVISED TREATY are eligible for preferential Community tariff treatment in accordance with the decisions of the Authority and Council relating to the liberalisation of intraCommunity trade in industrial products. 4. The Authority may at any time, on the recommendation of the Council, decide that any import duties shall be reduced more rapidly or eliminated earlier than stipulated in any previous instrument or decision. However, the Council shall, not later than one calendar year preceding the date in which such reductions or eliminations come into effect, examine whether such reductions or eliminations shall apply to some or all goods and in respect of some or all the Member States and shall report the result of such examination for the decision of the Authority. ARTICLES 37 COMMON EXTERNAL TARIFF 1. Member States agree to the gradual establishment of a common external tariff in respect of all goods imported into the Member States from third countries in accordance with a schedule to be recommended by the Trade, Customs, Taxation, Statistics, Money and Payments Commission. 2. Member States shall, in accordancewith a schedule to be recommended by the Trade, Customs, Taxation, Statistics, Money and Payments Commission, abolish existing differences in their external Customs tariffs. 3. Member States undertake to apply the common Customs nomenclature and Customs statistical nomenclature adopted by Council. ARTICLE 38 COMMUNITY TARIFF TREATMENT 1. For the purposesof thisTreaty, goodsshallbe acceptedas eligiblefor Community tarifftreatment iftheyhavebeen consigned totheterritory oftheimporting Member States from the territory of another Member State and originate from the Community. 2. The rules governingproductsoriginatingfrom the Community shallbe as contained in the relevant Protocols and Decisions of the Community. 3. The Trade, Customs, Taxation,Statistics,Money and Payments Commission shall from time to time examine whether the rules referred to in paragraph 2 of this Article can be amended to make them simpler and more liberal. In order to ensure their smooth and equitable operation, the Council may from time to time amend them. 26