La. Civ. Code art. 1867
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
An obligor who has accepted a receipt that imputes payment to one of his debts may no longer demand imputation to another debt, unless the obligee has acted in bad faith.
La. C.C. § 1867