7 Pa. Code § 151.11
A dealer who initially submits a surety bond or alternative security, and subsequently elects to participate in the Milk Producers' Security Fund may make the election effective at the beginning of any licensing year. A dealer who makes the election shall notify the Board of the election on or before June 15th of the preceding licensing year. A dealer making the election shall submit an advance payment of $.01 per hundredweight on purchases made during the months of March, April and May of the licensing year preceding the licensing year in which the election becomes effective. The advance payment shall be made by the dealer so as to be received in the office of the Board on or before June 15th of the licensing year immediately preceding the licensing year for which the election is effective.
7 Pa. Code § 151.11