Write a resignation letter to your manager to let him know that you have started to cooperate with another company. In your letter, • Let him know the exact time that you are leaving • the actions you took in order not to cause the company any problems • and also let him know that you appreciate the time you cooperated with the company.

Dear sir, The main reason for writing this letter is that I would like to inform you that I have recently begun cooperating with another company; therefore, I am submitting my application for resignation. The date I will leave your company is December, this year. By that time, I need to arrange all of my […]