I trust that by now you have figured this out. But yes, a refund check issued to you from the state of Louisiana should be yours to keep. Only if you need to file an amended return (change or correct a return you've filed) would you possibly be asked to return some of the refund.
*Please click the thumbs-up icon if this response was helpful.
**Please click "Mark As Best Answer" if your question has been resolved. Thank you.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***