(a) The Division of Watershed Stewardship shall require that a specified sum be deposited with it by the petitioners before the petition is filed in the office of the prothonotary to cover filing fees, mailing and other necessary expenses. The amount of the deposit shall be determined by the Division of Watershed Stewardship and may vary according to the size of the area involved, the complexity of the problem, and other pertinent factors. If the original deposit is not sufficient, the Division of Watershed Stewardship shall require an additional deposit as soon as the need for such becomes evident.
(b) The Division of Watershed Stewardship shall keep an account of such deposits and shall return any unused portion thereof to the petitioners upon completion of final action by the Superior Court. When such action is favorable, the petitioners shall be repaid out of the first moneys collected by the tax lagoon all expenses of formation charged to them by the Division of Watershed Stewardship.
(c) From the funds deposited with it pursuant to this section, the Division of Watershed Stewardship shall pay filing fees, mailing and other necessary expenses incurred in the investigation and formation of a tax lagoon.