Get Answers Support Tax Pros Paid Preparer Does a tax preparer with a PTIN need an ERO number to e-file Form 990 return? 176 views | Last modified 4/10/2024 8:42:09 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 Need more help? Get in touch with our dedicated support team Contact Us (704) 839-2321 [email protected]