c) The Department may draw on the certificates of deposit or savings accounts to pay the costs of closing a lagoon in accordance with this subsection. The Department shall close a lagoon when the lagoon is removed from service and:

1. 1) The owner fails to submit the lagoon closure plan required by Section 900.608 of this Part and:

   1. A) cannot be found; or
   2. B) fails to cure such failure within 30 days after notice from the Department;
2. 2) The owner fails to obtain Department approval of a lagoon closure plan within eight months after the date that the lagoon is removed from service, unless the lagoon is maintained or serviced; or

3. 3) The owner fails to comply with an approved lagoon closure plan and:

   1. A) cannot be found; or
   2. B) fails to cure such noncompliance within 30 days after notice from the Department.

f) The Department shall relinquish trusteeship of the certificates of deposit or savings accounts when:

1. 1) The lagoon has been properly closed and a notification of closure completeness pursuant to Section 900.608 of this Part has been issued to the lagoon owner by the Department;
2. 2) A waiver has been granted by the Department to the lagoon owner allowing the lagoon to be used for an alternative purpose pursuant to Section 900.608 of this Part;
3. 3) Title of the property containing the lagoon has been transferred to a new owner and the new owner has posted financial assurance as required under Section 900.702(c) of this Part; or
4. 4) A lagoon owner offers an authorized alternative surety which meets the requirements of Section 900.707(c) of this Part.