If you already have an eTSC account, you can perform

• User maintenance (add, update or delete users)
• Assign or update your Power of Attorney
• Update your ACH Direct Debit bank account information

Perform User Maintenance [PDF]

Assign or Update Power of Attorney

Update ACH Direct Debit Bank Account Information [PDF]

The completed form(s), with required documentation, can be returned to OTR:

• Fax all documents to (202) 442-6388
• Email all documents to [email protected]
• Mail all documents to:
  Office of Tax and Revenue
  Returns Processing Administration, 4th Floor
  1101 4th Street, SW
  Washington, DC 20024