Upon any partial or total termination, surrender or forfeiture of its permit or lease, the Secretary may require that the permittee or lessee, within a reasonable time, restore that portion of the premises that is visible at extreme low tide, to substantially its original condition.
7 Del. C. 1953, § 6418; 55 Del. Laws, c. 442, § 1; 59 Del. Laws, c. 212, § 1.