(1) The owner or operator shall reimburse the trust fund for all dollars expended, excluding legal defense costs, up to but not exceeding the following amounts:
(a)  With respect to a heating tank – one hundred dollars ($100) per annum;
(b)  With respect to a farm tank or residential tank – two thousand dollars ($2,000) per annum;
(c)  With respect to an above ground storage tank or underground storage tank, as defined in section 41-4903, Idaho Code – ten thousand dollars ($10,000) per annum.
(2)  Payments by the trust fund shall not be made contingent on prior payment of the reimbursement herein required.