This is a tax form that was released by the Internal Revenue Service (IRS) - a subdivision of the U.S. Department of the Treasury on November 1, 2019. As of today, no separate filing guidelines for the form are provided by the IRS.
A 5-page form available for download in PDF;
Actual and valid for filing 2020 taxes;
Additional instructions and information can be found on page 3 of the document;