Despite CCP 1710.40’sopen-ended list of potential defenses to a sister state judgment, under the Full Faith and Credit Clause, the statute does not and cannot create an opportunity to raise defenses to the merits of the underlying claims resolved in the sister state judgment. Thus, defenses based on a contract’s arbitration, forum selection and choice of law clause could not be raised in support of a motion to vacate entry of the sister state judgment.