Follow the steps to successfully complete the Form 81 2012 Fillable online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Begin by entering the tax year information at the top of the form. Specify both the tax year starting and ending dates using the provided fields marked with 'mm', 'dd', and 'yyyy'.
3. Input the entity's Federal Employer Identification Number (FEIN), the date of the decedent's death, and the date the entity was created in the respective fields.
4. Fill in the Social Security Number (SSN) of the decedent or debtor in the designated field.
5. Check all applicable boxes relating to the type of entity. Choose from options like 'Decedent's Estate', 'Simple Trust', 'Complex Trust', and others that pertain to your situation.
6. Provide the name of the estate or trust and the name and title of the fiduciary in the specified fields.
7. Complete the Mississippi income tax section by entering the taxable income details as well as any credits and payments applicable, following the prompts for lines 1 through 10.
8. Continue filling out refund or balance due sections, including details such as overpayments or the total amount due.
9. In the final sections, sign and date the form. Ensure that all necessary information, such as phone numbers and addresses, is filled out correctly.
10. Once you have completed the form, review all entries for accuracy. You can then save your changes, download, print, or share the completed form as needed.

Complete your documents online with ease and accuracy.