Taking into consideration the following points can help you avoid legal trouble and pick the right time to submit your resignation in Washington state. Your employer is not required to keep you on as an employee when you give 2 weeks notice.2 weeks notice is customary for the employee. It leaves you in good stead for referrals. How to Use Two Weeks Notice Letter? Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. You should talk to your employer and explain why you can only give two weeks' notice. Begin your letter with a statement of intent that is brief and focused. State that you are resigning and the effective date.