49 CFR Part 26:
http://www.fhwa.dot.gov/HEP/49cfr26.HTM
(participation in DBE in DOT Financial Assistance Programs)
(Part 26.53 for GFE and Appendix A to 49 CFR Part 26 - Guidance
Concerning GFE)
Each Caltrans District has
one or more Small Business Liaisons and a Small Business Development
Center representative that you can
contact directly.