an Entity references as follows:
The Eurasian Customs Union (EACU) is a customs union which consists of the member states of the Eurasian Economic Union. It came into existence on 1 January 2010. Its founding states were Belarus, Kazakhstan and Russia. On 2 January 2015 it was enlarged to include Armenia. Kyrgyzstan acceded to the EEU on 6 August 2015.