Sprout Streamlines Premier Jumbo Full Doc Program New "AUS Express" Feature Allows Easy, Quick Approvals and Avoids Tedious Appendix "Q" News provided by Share this article Share this article EAST MEADOW, N.Y., March 16, 2021 /PRNewswire/ -- Sprout Mortgage, the leading nationwide force in non-QM residential lending, today announced a further effort to make its Premier Jumbo Full Doc program the simplest prime jumbo program in the mortgage industry. Starting March 18 and available for jumbo residential applications loans begun anytime in March, Sprout's new Automated Underwriting System Express (AUS Express) feature will provide a streamlined employment and income documentation approach for its Premier Jumbo Full Doc Program.