Civil Code § 2793
ARTICLE 2. Creation of Suretyship
Except as prescribed by the next section, a suretyship obligation must be in writing, and signed by the surety; but the writing need not express a consideration.
ARTICLE 2. Creation of Suretyship
Except as prescribed by the next section, a suretyship obligation must be in writing, and signed by the surety; but the writing need not express a consideration.