Editor's Note: It's Tax Day 2026 in the US. Don't make the same mistake Executive Editor Zak Jason made. This piece was originally published in 2025. "Your tax return does not match the information we have on file," the three-page letter began in large bold font. Confusion quickly curdled into panic. I had to scan the document four times before my brain absorbed the issue. On a page titled "What caused the differences," there were two numbers listed side by side. One number, under the heading "