80-2-229. Withdrawal of crop in case of destruction through other means. When any crop insured under this part is destroyed by any other cause than hail, the applicant may, by furnishing the proof required by the board of hail insurance, cause the crop to be exempted from the regular fee of the board for the current year. The proof must be submitted to the board of hail insurance in accordance with its rules. The rules must be plainly printed on the applications and policies issued by the department. The rules must provide that the cost for withdrawn insurance must be varied as nearly as practical according to the time the insurance is in force and according to the risk carried.