JT – I agree that it is confusing.
In the context of the AGM and electronic voting, I took “office bearers” to have a wider meaning of “committee” i.e. the bearers of the office of committee member, rather than the narrower meaning of a specific office within the committee.
As you rightly pointed out the specific office can be determined by the committee members themselves, once the members have been appointed.
It is my understanding that the OC can propose a Motion to remove this function from the committee and appoint owners to specific positions on the committee if that is what the majority would prefer.
All other Motions, except for the nomination of office bearers must be submitted prior to the AGM and must be included, exactly as submitted, on the Agenda, therefore electronic voting prior to the AGM is practical for those Motions.
However, this is clearly not practical if nominations can come from the floor of the meeting and exact nominations are not known at the time that the Agenda notice is published.
Does that make sense?