12 CFR 1254.1: Purpose and scope.

(a) The purpose of this part is to set forth standards and criteria for the process an Enterprise must establish to validate and approve any credit score model that produces any credit score that the Enterprise requires in its mortgage purchase procedures and systems.

(b) The validation and approval process for a credit score model includes the following phases: Solicitation of Applications, Submission of Applications and Initial Review, Credit Score Assessment, and Enterprise Business Assessment.