How can I show a rate change
See https://www.irs.gov/instructions/i1040sh#en_US_2021_publink100079697
Thanks, but I need to know how to show it on TurboTax's form. That's my problem.
Contact Support. They will probably be able to assist you with entry in the online product.
What is the TurboTax phone number? (intuit.com)