La. R.S. 9:2156.1

A trustee may transfer to principal a reasonable amount of the net cash receipts from a principal asset that is subject to depreciation but may not transfer any amount for depreciation during the administration of a succession or for that portion of an immovable used or available for use by a beneficiary as a residence or of corporeal movables held or made available for the personal use or enjoyment of a beneficiary. An amount transferred to principal need not be held as a separate fund.