...

CMIPUserInformation ::=
	FunctionalUnits

FunctionalUnits ::=
	BIT STRING {
	    eventReportInvoker(0),
	    eventReportPerformer(1),
	    confirmedEventReportInvoker(2),
	    confirmedEventReportPerformer(3),
	    linkedReplyInvoker(4),
	    linkedReplyPerformer(5),
	    confirmedGetInvoker(6),
	    confirmedGetPerformer(7),
	    setInvoker(8),
	    setPerformer(9),
	    confirmedSetInvoker(10),
	    confirmedSetPerformer(11),
	    actionInvoker(12),
	    actionPerformer(13),
	    confirmedActionInvoker(14),
	    confirmedActionPerformer(15)
	}
-- Function i is supported if and only if bit i is one.

...