Within 30 days after the members of the commission are first appointed, and whenever vacancies in an office occur and are filled, the commission shall meet and organize as a commission, electing a president and a secretary from their number, after which they may transact business. The commission shall meet at a time and place that the commission determines by resolution. Regular and special meetings shall be called and conducted as prescribed in Chapter 9 (commencing with Section 54950) of Part 1 of Division 2 of Title 5 of the Government Code.