The offices of the members of the parks and recreation commission shall be designated as offices one, two, three, four and five. The city council shall appoint a commissioner to fill each office. As of June 1, 1994, three parks and recreation commissioner terms are scheduled to expire on July 1, 1996, and two terms are scheduled to expire on July 1, 1997. The terms scheduled to expire on July 1, 1996, are shortened to expire on September 30, 1994 and are designated as offices one, two, and three. The terms scheduled to expire on July 1, 1997, are shortened to September 30, 1996 and are designated as offices four and five. On or about October 1, 1994, new appointments will be made by the council to fill offices one, two, and three. The initial terms of offices one and two shall be until May 31, 1999. The initial term of office three shall be until May 31, 1997. Thereafter, the succeeding terms shall be four years for each office. Each member of the commission shall serve until his/her successor is appointed and qualified. Vacancies on the commission arising from any cause whatsoever shall be filled by appointment by the city council for the unexpired term. The ex-officio members shall serve for a term of one year.