Providers interested in performing the scientific services specified in the advertisement should submit a Letter of Interest to TxDOT via fax or regular mail to the contact person indicated in the advertisement. Upon receipt of the letter, the managing office will send the provider a Request For Proposal (RFP) packet. Prospective providers can also obtain an RFP for a particular contract by downloading it from the TxDOT Internet web site or obtain one at the proposal meeting, if one is to be held.

43 TAC §9.83(b)