To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. The law in North Carolina is at will.You can quit or be fired at any time for any or no reason, no notice is mandated. You should write a short notice if you are leaving in two weeks or less. The resignation should be short and give the fact that you are resigning and the date (please give at least two weeks notice). The Immediate (Short Notice) Resignation Letter is required when the employee needs and wants to leave the workplace immediately. An immediate letter of resignation serves as formal notification to an employer about an employee's imminent departure. And neither you nor your employer has to have a good reasonor any reasonto terminate your employment relationship. Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. It is also up to each employer to decide if its employees may see their own personnel file or not.