Notice of State body meetings shall be provided to any person who makes such a request in writing at least 10 days in advance. Notices shall include a specific agenda for meetings, including the items of business to be transacted or discussed, and no item shall be added to the agenda subsequent to the notice. Agendas of public meetings and other writings, when distributed to the members of a state body for discussion or consideration at a public meeting of such body, are public records under the California Public Records Act.