If you are considering resigning from the DOE, we strongly suggest contacting the union at 212-331-6311 to speak with a representative about your options. You don't have to send your resignation letter 30 days before the start of the school year, you have to send it 30 days before your planned last day.Submit the Withdrawal of Resignation form with a copy of your nomination letter to Field Services. The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed. In the first paragraph of a resignation acceptance letter, employers should directly acknowledge the employee's intention to resign.