On December 29, Minister Ni Yuefeng and the UK Ambassador Caroline Wilson signed，through an exchange of letters，the Agreement between the Government of the People’s Republic of China and the Government of the United Kingdom of the Great Britain and Northern Ireland on Cooperation and Mutual Administrative Assistance in Customs Matters and the Arrangement between the Customs Authority of the People’s Republic of China and the Customs Authority of the United Kingdom of Great Britain and Northern Ireland on Mutual Recognition of the Customs Enterprise Credit Management Programme in the People’s Republic of China and the Authorized Economic Operator Programme in the United Kingdom of Great Britain and Northern Ireland.