La. Stat. tit. 9 § 2013
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
If the trust instrument fails effectively to designate a principal beneficiary at the time when the principal beneficiary is to be determined, the settlor shall be the principal beneficiary, and upon his death his interest shall vest in his heirs or legatees. Likewise, if at any time no provisional principal beneficiary is identifiable under the terms of the trust instrument, the settlor shall be the provisional principal beneficiary.
La. R.S. § 9:2013