Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline.Please accept this as my formal resignation from —— . In most cases a two-week notice is more than ample time to start the transition process. Are you getting ready to leave your job? Here's how to write a professional two weeks' notice resignation letter, with examples. It is customary to give your manager or human resources department at least two (2) weeks' notice of your resignation date. The Company however has the right to say, see ya, we accept the resignation effectively immediately. Hi TJ, In Texas we are under no obligation to accept the two week notice and it is still considered a resignation because they demonstrated intent to leave. img. Note when your last day of work will be in the letter, and if possible, try to provide at least two weeks' notice before your departure.