A collection of the IRS’ annual tax dates with respect to certain U.S. tax information reporting and withholding requirements available for download
Important Tax Dates Calendar 2020/2021
ComplyPro has compiled a calendar full of important tax related dates for you. This is a public calendar, which can be downloaded as a .CSV file, which you can then import into your own personal calendar.
This calendar is reguarly updated as and when dates are changed, amended, extended or removed.