(a) An inspector of the certifying agency shall make at least four field inspections of which at least three shall be during the debudding period. The final inspection shall be made after the crop is windrowed and removal of diseased or undesirable fruit has been completed. All inspections, except the last inspection, shall be made without previous notice to the grower. The grower shall notify the certification office at least five days prior to the first debudding of the field and five days prior to anticipated seed harvest date, but after the growers final rogueing of his windrowed fruit.

(b) The inspector on each inspection shall inspect at least 10 rows at random, and no less than 100 plants or fruit per row, to determine the condition of the field.