Today — October 15 — marks a tax-filing deadline for many people every year who have been granted extensions, but this year's rules and dynamics are very different.
Why it matters: The IRS was closed for months as a result of COVID-19, which meant that a lot of refunds got delayed, a lot of tax payments didn't get processed, and a lot of taxpayers (and accountants) got put on perma-hold or disconnected when they called to ask questions.
