Does a copy of Federal 1040 need to be attached to Oklahoma state return? TurboTax did not print one with the state return documents.

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Yes, you need to include a copy of the federal return (1040) when mailing your Oklahoma state return.

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Yes, you need to include a copy of the federal return (1040) when mailing your Oklahoma state return.

thank you.

does the 1040 need to be signed as well for the state return? thanks

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