What is a September Letter and How It Differs From a U.S. Entry Waiver

  Introduction Many Canadians are unsure whether they need a  September Letter  or a  U.S. Entry Waiver  when planning to cross into the United States. The confusion often leads to wasted time, unnecessary costs, or worse—being denied entry at the border. In this article, we’ll break down what a September Letter is, how it differs from a U.S. Entry Waiver, and which option may actually apply to your situation. What Is a September Letter? A  September Letter  is an informal term for a document issued by U.S. Customs and Border Protection (CBP) in certain cases. This letter can sometimes allow individuals to cross the border without needing a full waiver application. It’s generally used for  specific situations , not all cases. A September Letter is  not permanent  and does not replace the need for a waiver if your case falls under strict inadmissibility categories. It serves more as a  clarification letter  rather than a legal a...