In a typical tax year, the following conditions may delay the refund and/or change the refund amount.
Per the IRS Operations During COVID-19: Mission-critical functions continue webpage:
We're open and processing mail, tax returns, payments, refunds and correspondence. However, COVID-19 continues to cause delays in some of our services. Our service delays include:
Check this page periodically for updates.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the webpage or document at the time it is accessed.