From a procedural point of view, the United Kingdom should first apply and negotiate and enter into an accession agreement to become a member of EFTA to become a member of EFTA after the “EU” treaties no longer apply to it (Article 50, paragraph 3, of the Tue) and negotiate and conclude an accession agreement to become a member of EFTA (Article 56, paragraph 1, of the EFTA agreement). Indeed, the EEA cannot apply to non-EU states, with the exception of Iceland, Liechtenstein and Norway, precisely because they are members of EFTA (Article 126, paragraph 1, EEA). That is why the UK will have to negotiate an EFTA accession treaty with the four members of the efTA, Switzerland and the three EEA-EFTA members. The UK must also enter into trade agreements with EEA members. It has already concluded a continuity agreement with Liechtenstein regarding its agreement with Switzerland (part of EFTA, but not of the EEA). But it is not yet an equivalent with Iceland and Norway. The EEA will continue to apply to the UK during the transitional Period of Brexit, on the basis of Article 126 of the EU-UK withdrawal agreement.  Any State that becomes a member of EFTA is required to apply for membership in the existing EFTA free trade agreements, in accordance with Article 56 of the EFTA Convention. The accession of a new Member State to our free trade agreements can only be negotiated with the agreement of the other party or the contracting parties to the agreement. All of our free trade agreements contain provisions governing the accession to the free trade agreement in question which stipulate that the terms must be agreed by the member and by all the contracting parties to the existing free trade agreement. 71.Dr Holmes informed us that the EEA agreement had only “incomplete access” to the internal market for goods, as third countries were not part of the EU Customs Union. alternatives to membership: possible models for the UK outside the European Union, stated that this regime works well for countries such as Norway, where three-fifths export raw materials (gas and oil), but that it would be more problematic for the UNITED Kingdom, where on average 23% of the value of BRITISH merchandise exports comes from foreign components.96 Non-EEA countries may request a change in EU legislation.
, but only in cases where this is useful for the law in national legislation.