Get Answers Support FAQ Recent Queries Does a tax preparer with a PTIN need an ERO number to e-file Form 990 return? 589 views | Last modified 4/30/2021 5:21:05 AM EST No. If your tax preparer has a PTIN number, there's no need for them to have an ERO number. They can e-file the return with their PTIN number. Was this helpful? Yes No Couldn't find what youare looking for? Contact Us (704) 839-2321 [email protected]