The URLA mandate required the use of the URLA (Fannie Mae Form 1003/Freddie Mac Form 65/Effective 1/2021) and Desktop Underwriter® (DU®) Specification MISMO v3.4/Loan Product Advisor® (LPASM) v5.0.06 file formats for all new loan applications started on March 1, 2021 and the GSEs published updated AUS specifications (DU v1.8.2 and LPA v5.1.00) on June 29, 2021 and software providers are expected to update their systems in accordance with established release schedules and current GSE implementation agreements.
