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R-6642 (8/23). Refund Claim on. Behalf of Deceased Taxpayer. Mail to: Louisiana Department of Revenue. P.O. Box 4998. Baton Rouge, LA 70821-4998. Phone: (855)Read more
Dec 16, 2024 For 2024, you will use Form 1040 or, if you were born before January 2, 1960, you have the option to use. Form 1040-SR.Read more