An approved economic operator may file summary entry and exit returns containing the reduced data requirements under Schedule 30 bis of Regulation (EEC) No. 2454/93; However, where an economic operator is a carrier, forwarder or customs agent, it is only permitted on the condition that it participates in the importation or export of goods on behalf of an approved economic operator. When the EEA came into force in 1994, there were 17 states and two European Communities: the European Community, which was later integrated into the enlarged EU framework, and the European Coal and Steel Community, which no longer exists. The number of members has increased to 30 in 2020: 27 EU Member States and three of the four EFTA Member States (Iceland, Liechtenstein and Norway). [8] The agreement will be applied provisionally to Croatia – the rest and the youngest EU Member State – until all parties to the EEA have ratified its accession. [4] [13] The United Kingdom is, on a temporary basis, a member of the EEA on 31 January 2020 and has joined a transitional period until 31 December 2020. During the transitional period, the EEA agreement remains unchanged and continues to apply to other EEA members and the United Kingdom, as the UK continues to be regarded as an EEA state. [14] One EFTA member, Switzerland, did not join the EEA, but concluded a series of bilateral sectoral agreements with the EU allowing it to participate in the internal market. – the establishment of joint activities in certain areas that may include coordination or coordination of activities, the merger of existing activities and the establishment of joint ad hoc activities, the responsibility of EFTA states for projects is limited to the provision of resources in accordance with the approved plan. There is no liability to third parties. This protocol does not complement or impede the implementation of mutual assistance agreements concluded or likely to be concluded between EC and EFTA states and between EFTA states.