Et 133 fillable 2026

1. Click ‘Get Form’ to open the ET-133 fillable form in the editor.
2. Begin by entering the decedent’s last name, first name, and middle initial in the designated fields. Ensure accuracy as this information is crucial for identification.
3. Fill in the social security number and address of the decedent at the time of death. This section helps establish residency and tax obligations.
4. Indicate the date of death and mark an X if a copy of the death certificate is attached. If applicable, check the box for non-resident status and attach Form ET-141.
5. Complete executor details, including names and contact information. If there are multiple executors, ensure to mark that appropriately.
6. For extensions, mark the appropriate boxes for filing or payment extensions and provide detailed explanations where required.
7. In the computation section, accurately input values related to federal gross estate and taxable gifts as instructed. Double-check calculations for accuracy.
8. Finally, certify your application by signing and dating it before submission. Ensure all necessary attachments are included.

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