Any toilet room renovated or newly constructed in public space on the departures or arrivals level of the terminal or concourses shall comply with this section. Each proposal shall be enclosed in an opaque envelope and marked "Municipal.Center Restroom Upgrade". The Bidder shall fill out this Proposal, write in the unit prices in clear numerals, and make the extensions. Effective August 1, 2022, the County will only accept formal bids and proposals through the P.O.R.T. system.