Iowa Code § 422.67: Generally — bond — approval.

The director shall administer the taxes imposed by this chapter. The director shall give a bond in an amount to be fixed by the governor, which has been issued by a surety company authorized to transact business in this state and approved by the insurance commissioner as to solvency and responsibility. The reasonable cost of said bond shall be paid by the state, out of the proceeds of the taxes collected under the provisions of this chapter.