The presiding officer conducts the meeting and sees that the rules are observed. RONR (11th ed.). p. 22 ll. 3-4.
The presiding officer recognizes members who are entitled to the floor, enforces the rules relating to debate and those relating to order and decorum within the assembly RONR (11th ed.). p. 450 ll. 9-11.
The presiding officer's decisions are subject to appeal by any two members. RONR (11th ed.), p.255 ll.28 -29