How to Use Two Weeks Notice Letter? If possible, aim to provide at least two weeks' notice of your resignation.Offering a 2-week notice in your resignation is "an offer". It is a professional courtesy to give two (2) weeks' notice prior to resignation. ○ No formal observations during the first two weeks of instruction. "in the coming weeks. Interested firms got short notice of these opportunities. And Limited Brands conducted investigations of the situation at Tarrant Ajalpán within weeks of receiving notice of the worker rights violations in the plant.