Form BT-129 Power of Attorney 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering the taxpayer's name and address in the designated fields. Ensure accuracy as this information is crucial for identification.
3. Input the Social Security or Federal Employer Identification Number(s) along with a daytime telephone number for contact purposes.
4. In the section for appointing representatives, fill in their names, addresses, and contact details. If appointing an organization, remember to specify an individual within that organization.
5. Specify the type of tax (e.g., Income, Sales) and provide the relevant state tax number or description of the tax document.
6. Indicate the year(s) or period(s) applicable. If it's related to estate tax, include the date of death if necessary.
7. Sign and date the form where indicated. If signing on behalf of someone else, ensure you include your title and print your name below.
8. Complete the Declaration of Representative section by selecting your status and signing accordingly.

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