A surety bond or surety is a promise by a surety or guarantor to pay one party (the obligee) a certain amount if a second party (the principal) fails to meet some obligation, such as fulfilling the terms of a contract. The surety bond protects the obligee against losses resulting from the principal's failure to meet the obligation. Posting bail for people accused of crimes in exchange for freedom is common in the United States, but uncommon in the rest of the world.
A surety bond is defined as a contract among at least three parties:
European surety bonds can be issued by banks and surety companies. If issued by banks they are called "Bank Guaranties" in English and Cautions in French, if issued by a surety company they are called surety / bonds. They pay out cash to the limit of guaranty in the event of the default of the Principal to uphold his obligations to the Obligee, without reference by the Obligee to the Principal and against the Obligee's sole verified statement of claim to the bank.