The City of San Bernardino currently uses PlanetBids. Purchasing makes certain that vendors are bidding on the same items and in the same units and quantities.Fill out completely all blank spaces. An incomplete form will invalidate bid. Pre-qualification applications for formally bid contracts require submission of a questionnaire, supporting documents, and financial statements. B. "County" shall mean the San Bernardino County, California. Prospective bidders shall submit the questionnaire and financial statement at least five days before the date fixed for public opening of sealed bids.