“Can I continue to use their same QB payroll account subscription/logins/passwords?”

Yes, because it is attached to that FEIN.

You asked about new file, not new company, right?

Resolution for 'account subscription issue: 'Can the assisted payroll subscription and logins be moved from an old company file to a new one (same business)?' available: Yes.

The account subscription issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the account subscription issue yourself by looking for a resolution described in the article. If it is a complex account subscription issue or you are unable to solve the issue, you may contact us by clicking here or by using other account subscription support options.

For more information about resolving issues related to account subscription in Quickbooks/QBO or to get support for the issue 'Can the assisted payroll subscription and logins be moved from an old company file to a new one (same business)?', click the link below: