An employment agreement extension is a contract between an employer and employee that extends the term of the original contract agreements. Download this free document that provides 6 different involuntary termination letter options as well as a detailed Release form for every firing situation.For a sample release used in the employment context, see. LETTER 5 - Temporary Contract – extension of temporary employment. (insert today's date here). This Employment Agreement (the "Agreement") is effective as of January 6, 2004. This Contract shall begin on October 1, 2023 ("Begin Date") and shall terminate on September 30, 2024. NOTICE -- This is a contract release order against the contract referenced herein. Sample lease extension letter. Not sure what to say in a lease extension letter?