An employment agreement extension is a contract between an employer and employee that extends the term of the original contract agreements. Secure your future with our easytouse template for requesting an employment contract extension.Download now and personalize it! LETTER 5 - Temporary Contract – extension of temporary employment. (insert today's date here). This letter's purpose is to begin discussions of extending or renewing their contract. Sample Request Letter For Extension Of Employment Contract. Sample Employment Contract Rejection Letter Employment. You can search for reports, forms, policies and pamphlet and posters with information about specific programs and services. File both forms at the location specified for the other application or petition.