The City uses formal and informal contracts to get services, supplies, and equipment. The City awards to the lowest responsive and responsible bidder.Instructions for Completing the Agreement. Just as in the prior update, it does not take a one-size-fits-all approach, and it is not an extensive pre-printed document where you simply fill in the blanks. The steps below outline the contracting and payment process for limited engagement service providers. A contract manufacturing agreement is a legal document that outlines the terms and conditions of a company's relationship with contract manufacturer.