2007D0007 --- CS --- 12.05.2010 --- 003.001 --- 23 ▼B ( 2 ) When they register with TARGET2-ECB , direct participants shall declare which optional message types they will use , with the exception of MT 011 and MT 012 messages in relation to which direct participants shall decide from time to time whether or not to receive them with reference to specific messages .
2007D0007 --- EN --- 12.05.2010 --- 003.001 --- 23 ▼B ( 2 ) When they register with TARGET2-ECB , direct participants shall declare which optional message types they will use , with the exception of MT 011 and MT 012 messages in relation to which direct participants shall decide from time to time whether or not to receive them with reference to specific messages .