Irs Filing Calendar 2025. The agency said in a statement it expects more than 140 million. Access the calendar online from your mobile device or desktop.

For iso exercises and espp stock transfers that occurred in calendar year 2024, you must provide the employee (or former employee) the information statement (copy b to the. Here’s a look at key dates in the tax filing season, including deadlines to file, when to request extensions and how long until you get your refund.