58State road authority may require further payment or refund excess

58 State road authority may require further payment or refund excess (1) A State road authority that has required payments under section 56 from the owners of any land may— (a) if the total amount collected is not enough to meet the costs in respect of which the payments were required, require further payments from the owners of those lands; and (b) if the total amount collected is more than enough to meet those costs, refund the excess to the owners of those lands. (2) The provisions of sections 56(4), 56(5), 57 and 59 apply in relation to any further payments required, as if they were payments originally required under section 56, except that in the case of payments required by a notice under section 56(1)— (a) the State road authority may require further payments of not more than 20 per cent of the amount specified in that notice, if those further payments are necessary to meet the cost of the road construction; and (b) the cost of those further payments must be fairly distributed over the group of parcels of land that is to receive the benefit, if there is such a group.