(1) A qualified claimant, as defined in section 63-713(1)(a), Idaho Code, may elect, upon the application for property tax relief filed under section 63-703, Idaho Code, to defer payment of any property tax due after application of all benefits available under section 63-704, Idaho Code. A qualified claimant, as defined in section 63-713(1)(b), Idaho Code, may apply for property tax deferral under sections 63-712 through 63-721, Idaho Code. The state tax commission shall prescribe the form and manner by which the election must be made and may require that the application include information establishing the outstanding balance of any encumbrances, proof of insurance of an amount adequate for the amount of deferred tax and interest, and such other information as the state tax commission reasonably determines to be necessary. The state tax commission may require written or other proof of the encumbrances or casualty insurance in such form as the state tax commission may determine.