All applicants shall have on file, prior to permit issuance, proof of ability to respond in damages for liability which might reasonably be attached to or result from [82:1087.14] any permitted weather modification activities. This proof shall be in the form of a liability insurance policy in the amount of Three Hundred Thousand Dollars ($300,000.00) minimum for each permit to be issued or such other proof of financial responsibility as may be required.
Okla. Admin. Code § 785:15-3-12