A business applying for public money may withhold confidential proprietary information or trade secrets, such as details on its taxes or revenue, she said, but government usually has very little that's protected. There is a debate pending in Commonwealth Court, though, about how much information a government making a bid should provide and when, Melewsky said. The Pennsylvania Office of Open Records has said Philadelphia and Pittsburgh's bids to host Amazon's new headquarters should be made public. Amazon has not yet selected a city for its headquarters.