All subsequent amendments to the contract. The following are to be included in the contract: 1.The contractor shall inform the County of alternative products and practices it can offer complete services performed under the Contract. Please provide your Insurance Certificate according to. Section 17 of the Fairfax County Contract, within 10 days after receipt of this letter. She got handed a one page letter stating she is being offered a job as a teacher contingent upon meeting some conditions such as passing background check. A contract acceptance letter is a formal letter that confirms that you have accepted the terms and conditions. Here's what you should know. Your acceptance of this contract acknowledges your commitment and compliance with ADA. 29. New applicants can apply online to be a substitute teacher or substitute instructional assistant through the FCPS Instructional Talent Gateway.