You’re probably holding onto documents that you don’t need to, while also throwing out documents that you might need later. So how long should you keep tax documents? The general rule is a minimum of three (3) years, but six (6) years from filing is a good safe harbor. However, there are exceptions that may require you to keep documents longer.

As a business operating in Delaware, you are required to file, and pay in some circumstances, Delaware Gross Receipts Tax. What is Gross Receipts Tax, what are the tax rates, what's excluded, and how often do you have to file?