This chapter shall not apply to any bond or undertaking which is not by law required to be approved by any state, county, municipal, precinct, township, district, or other like office, officers, commissions, boards, and similar governing bodies, or by any judge, clerk, or register of any court of this state or to insurers engaged only in the business of becoming sureties on any such bond or undertaking.
Ala. Code § 27-24-1 (1975)