What is a state tax ID number, and what is it for? A state tax ID number is sometimes called a state employer ID, state EIN or state tax registration. It’s assigned by a state to identify a business ...

Aaron McDade is a breaking news reporter for Investopedia. He is an experienced journalist who has covered everything from the latest in business and tech news to sports and international news like ...

Tax season is here, and it's Alyssa Melani's second time filing. A part-time employee, freelance actress and small business owner, she said her returns were complicated and she never learned how to do ...