The term of office of each member and alternate member of the Board shall be for three fiscal years: Provided that, of the nine initial members and alternates from the combination of Districts 1, 2 and 3, one-third of such initial members and alternates shall serve only one fiscal year, one-third of such members and alternates shall serve only two fiscal years, one-third of such members and alternates shall serve three fiscal years; and one-half of the initial members and alternates from Districts 4 and 7 shall serve only one fiscal year, and one-half of such initial members and alternates shall serve two fiscal years (determination of which of the initial members and their alternates shall serve for 1 fiscal year, 2 fiscal years, or 3 fiscal years, in both instances, shall be by lot). Members and alternate members shall serve in such capacity for the portion of the term of office for which they are selected and have qualified until their respective successors are selected, have qualified and are appointed. The consecutive terms of office of grower, handler and public members and alternate members shall be limited to two 3-year terms, excluding any initial term lasting less than 3 years. The term of office of a member and alternate member for the same seat shall be the same. If this part becomes effective on a date such that the initial fiscal period is less than six months in duration, then the tolling of time for purposes of this subsection shall not begin until the beginning of the first 12-month fiscal period.