Tax Guide Form W-8BEN: Taxation Rules for Non-residents In the United States everyone must pay taxes. This rule refers to both Americans and foreigners who conduct business within the country. However, different types of businesses require different ... Productivity W-8BEN vs W-8BEN-E: What is the difference? There are 5 different w-8 form 2017 variations. They are W-8ECI, W-8BEN, W-8BEN-E, W-8EXP and W-8IMY. However, Form W-8BEN and W-8BEN-E are the most commonly used by United States ...