In December 2013, the States of Guernsey agreed to ask the United Kingdom Government to have its membership of the MAC extended to Guernsey (only the States are permitted to be signatories of the MAC).
Guernsey Competent Authority Contact Details [456kb]
Application of the MAC to Guernsey came into effect from 1 August 2014.
Background information to the MAC can be found here.
Multilateral Competent Authority Agreement [448kb] signed 29 October 2014
Multilateral Competent Authority Agreement - proces-verbal of signature [29kb]
Removal of Guernsey from Bulgarian list of jurisdictions with preferential tax regimes [140kb]