It depends. If you have an amount in Box 11, Form 1099-OID for Tax-exempt OID then you can use the following steps to exclude the earnings percentage of Alabama holdings.
Open your TurboTax return
TurboTax Online: Search (upper right) > type 1099oid > Click the 'See more' in the FAQ below and click 'Go to 1099-OID
TurboTax Desktop: Search (upper right) > type 1099oid > Click the Jump to ... Link
Select Form 1099-OID for original issue discount income > Continue > Edit or Add another payer > fill out your form > Continue
Select I earned tax exempt OID in more than one state > Select Alabama under State Name then enter the Alabama percentage amount
Scroll to the bottom to select Multiple States in the second line > Enter the balance of the tax exempt OID > Continue
Once you complete this section the tax free amount for Alabama will be eliminated from taxable income in your state return.
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