Follow the steps to successfully complete the OR DoR 150-800-005 form online.

1. Click the ‘Get Form’ button to obtain the OR DoR 150-800-005 form and open it in the online editor.
2. Begin by entering the taxpayer's name and identifying number, such as SSN, BIN, or FEIN, in the designated fields. Ensure that the information is accurate and matches official documents.
3. If filing jointly, provide the name and identifying number of the spouse or registered domestic partner in the appropriate sections.
4. Fill in the address, city, state, and ZIP code. This allows the Oregon Department of Revenue to contact you regarding your tax matters.
5. Select one option by checking the appropriate box: 'Tax Information Authorization' or 'Power of Attorney for Representation.' Be clear about the extent of authority you're granting.
6. Specify whether the authorization applies to all tax years or to specific tax years by entering the years in the space provided.
7. Designate an authorized representative by providing their name, fax number, telephone number, and mailing address in the specified fields.
8. If applicable, include the representative's title and Oregon license number, or their relationship to the taxpayer. Out-of-state representatives must sign the attestation if qualified.
9. Both the taxpayer and spouse/RDP (if jointly represented) must sign and date the form in the designated areas.
10. Review the completed form for accuracy. Ensure that all necessary information is provided and correct any errors.
11. Once satisfied, save your changes, download, print, or share the form as needed. Confirm that you retain a copy for your records.

Complete your OR DoR 150-800-005 form online today to ensure your tax information is managed efficiently.