Section R. 290.102 - Marketing period of agricultural commoditiesRule 2. The determination of the marketing period shall be stated in the agricultural marketing and bargaining board's preliminary declaration of accreditation of an association and, although it may subsequently be changed by the board in view of the evidence than an alternative period would be more appropriate, it will generally be determined as follows:
(a) The first day of the marketing period of an agricultural commodity that is delivered for sale shall be the earliest date in the previous 5 years when the commodity was first delivered by a producer in the bargaining unit to a handler. The last day of the period shall be the latest date of the preceding 5 years when the last delivery of the commodity by a producer in the bargaining unit was made.(b) The first day of the marketing period of an agricultural commodity, produced and marketed under contract for future delivery of substantially all of a crop or periodic production of the commodity, shall be a date 150 days prior to the earliest date in the preceding 5 years when the commodity was first delivered by a producer in the bargaining unit to a handler. The last day of the period shall be the latest date in the preceding 5 years when the last delivery of the commodity by a producer in the bargaining unit was made.Mich. Admin. Code R. 290.102