The standard method the County uses to acquire goods or services is the Invitation to Bid process. Such "mark-up" of the Draft.Use of pencil is prohibited. 2. Use of pencil is prohibited. When filling out the bid proposal form, bidders are required to complete bid proposal in ink. 1. All Proposals shall be submitted as set forth in the Instructions to Proposers. Bid submissions must be clearly marked with bid number, bid title and bid opening date. Business must complete and submit Contract.