The Central Administrator shall operate and maintain the Union registry. The Central Administrator shall also act as the KP registry administrator of the EU KP registry part of the Union registry.
Igas KP registris ja liidu registris peab olema võimalik hoida LKÜsid, HVÜsid, THVsid, HNÜsid, pTHVsid ja aTHVsid (edaspidi ühiselt „Kyoto ühikud”).