Washington Revised Code Title 47. Public Highways and Transportation § 47.29.190. Confidentiality

A proposer shall identify those portions of a proposal that the proposer considers to be confidential, proprietary information, or trade secrets and provide any justification as to why these materials, upon request, should not be disclosed by the authority. Patent information will be covered until the patent expires. Other information such as originality of design or records of negotiation may only be protected under this section until an agreement is reached. Disclosure must occur before final agreement and execution of the contract. Projects under federal jurisdiction or using federal funds must conform to federal regulations under the Freedom of Information Act.