19 CFR §113.31
- (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.