Protocol Relating to Milk Fat, done at Geneva on 2 April 1973 which entered into force on 14 May 1973, for participants having accepted that Protocol. Such denunciation shall take effect on the date of entry into force of this Arrangement.2. Provisional applicationAny government may deposit with the Director-General to the CONTRACTING PARTIES to the GATT a declaration of provisional application of this Arrangement. Any government depositing such a declaration shall provisionally apply this Arrangement and be provisionally regarded as participating in this Arrangement.3. Entry into force(a) This Arrangement shall enter into force, for those participants having accepted it, on 1 January 1980. For participants accepting this Arrangement after that date, it shall be effective from the date of their acceptance.(b) The validity of contracts entered into before the date of entry into force of this Arrangement is not affected by this Arrangement.4. ValidityThis Arrangement shall remain in force for three years. The duration of this Arrangement shall be extended for further periods of three years at a time, unless the Council at least eighty days prior to each date of expiry, decides otherwise.5. AmendmentExcept where provision for modification is made elsewhere in this Arrangement the Council may recommend an amendment to the provisions of this Arrangement. The proposed amendment shall enter into force upon acceptance by the governments of all participants.6. Relationship between the Arrangement and the AnnexesThe following shall be deemed to be an integral part of this Arrangement, subject to the provisions of paragraph 1(b) of this Article:- the Protocols mentioned in Article VI of this Arrangement and contained in its Annexes I, II and III;- the lists of reference points mentioned in Article 2 of the Protocol Regarding Certain Milk Powders, Article 2 of the Protocol Regarding Milk Fat, and Article 2 of the Protocol Regarding Certain Cheeses, contained in Annexes I(a), II(a) and III(a) respectively;- the schedules of price differentials according to milk fat content mentioned in Article 3:4, note 3 of the Protocol Regarding Certain Milk Powders and Article 3:4, note I of the Protocol Regarding Milk Fat, contained in Annexes I(b) and II(b) respectively;- the register of processes and control measures referred to in Article 3:5 of the Protocol Regarding Certain Milk Powders, contained in Annex Ic.7. Relationship between the Arrangement and the GATTNothing in this Arrangement shall affect the rights and obligations of participants under the GATT (6).8. Withdrawal(a) Any participant may withdraw from this Arrangement. Such withdrawal shall take effect upon the expiration of sixty days from the day on which written notice of withdrawal is received by the Director-General to the CONTRACTING PARTIES to the GATT.(b) Subject to such conditions as may be agreed upon by the participants, any participant may withdraw from any of the Protocols annexed to this Arrangement. Such withdrawal shall take effect upon the expiration of sixty days from the day on which written notice of withdrawal is received by the Director-General to the CONTRACTING PARTIES to the GATT.Done at Geneva this twelfth day of April nineteen hundred and seventy-nine.ANNEX I PROTOCOL REGARDING CERTAIN MILK POWDERS PART ONE Article 1Product Coverage1. This Protocol applies to milk powder and cream powder falling under CCCN heading No 04.02, excluding whey powder.PART TWO Article 2Pilot Products1. For the purpose of this Protocol, minimum export prices shall be established for the pilot products of the following description:(a) Designation: Skimmed-milk powderMilk fat content: less than or equal to 1,5 per cent by weightWater content: less than or equal to 5 per cent by weight(b) Designation: Whole milk powderMilk fat content: 26 per cent by weightWater content: less than or equal to 5 per cent by weight(c) Designation: Buttermilk powder (7)Milk fat content: less than or equal to 11 per cent by weightWater content: less than or equal to 5 per cent by weightPackaging: in packages normally used in the trade, of a net content by weight of not less than 25 kg, or 50 lbs, as appropriateTerms of sale: f.o.b. ocean-going vessels from the exporting country or free-at-frontier exporting country.By derogation from this provision, reference points are designated for the countries listed in Annex I (a) (8). The Committee established in pursuance of Article VII: 2 (a) of the Arrangement (hereinafter referred to as the Committee) may amend the contents of that Annex.Prompt payment against documents.Article 3Minimum PricesLevel and observance of minimum prices1. Participants undertake