 At the formal opening of the General Assembly, the Principal Clerk reads out the Royal Warrant appointing the Lord High Commissioner, who is then invited to address the Assembly.All ministers, elders and deacons appointed by Presbyteries to attend the General Assembly are known as "Commissioners" and have voting powers; the Lord High Commissioner, however, has no vote, nor may he/she intervene in debates.Apart from his/her opening and closing addresses, the Lord High Commissioner makes no further intervention in Assembly debates but will be in daily attendance for at least part of each day's business.