Section 113.31 - Same party as principal and surety; attorney in fact(a)Same party as principal and surety. The same person, partnership, or corporation cannot be both principal and surety on a bond.(b)Attorney in fact for principal or surety. In executing a bond, a person may act as: (1) Attorney in fact for both principal and surety;(2) Surety and attorney in fact for the principal; or(3) Principal and attorney in fact for the surety.