Resignation acceptance letter template. You should not resign until you have received and accepted an offer, either in writing or through an authorized agent such as JDA.Under the Texas Education Code, contract employees are required to resign no later than 45 days before the first day of instruction for the school year. There are some best practices you can take moving forward. Download our sample resignation acceptance letter to get started. Under the Texas Education Code, contract employees are required to resign no later than 45 days before the first day of instruction for the school year. Did an employee just give you their two weeks notice? There are some best practices you can take moving forward. Regardless of whether you are anticipating the resignation or dreading it, you should show tact and decorum when accepting it. The authority may not refuse to accept a resignation.