This Contract is made in Contra Costa County and is governed by, and must be construed in accordance with, the laws of the State of California. Last date to submit written questions: Jan.If you are interested in receiving information regarding upcoming business opportunities with Contra Costa County, please fill out the form below. The Fee Proposal (ATTACHMENT F) shall be filled out, executed, and submitted in accordance with the instructions in the invitation. Below you will find all of our current open RFI, RFP, and RFQ bids as well as instructional videos for the budget templates. Solicitation announcements are posted on the Procurement Opportunities page of our website at actransit.