M essing up a single digit could derail how fast you receive your tax refund. Your routing number is just as important as your account number since it tells the IRS where to send your funds. The same goes for your bank’s routing number when filling out your tax documents. I f you’re paying someone to do your taxes for you, double-check to ensure they have your correct account number. There are ways to fix the issue, but double-checking your account number is correct from the start will help avoid unwanted stress later on. It’s easy to make a mistake when filling out important documents such as your tax retur n – there are so many forms! If you accidentally provide the government with the wrong bank account number when filing your taxes, your money could be delayed or even deposited into someone else’s account. There are several reason s y our tax refund might get routed to the wrong savings or checking account.