Tex. Property Code § 116.173

(a) In this section, "liquidating asset" means an asset whose value will diminish or terminate because the asset is expected to produce receipts for a period of limited duration. The term includes a leasehold, patent, copyright, royalty right, and right to receive payments during a period of more than one year under an arrangement that does not provide for the payment of interest on the unpaid balance. The term does not include a payment subject to Section 116.172, resources subject to Section 116.174, timber subject to Section 116.175, an activity subject to Section 116.177, an asset subject to Section 116.178, or any asset for which the trustee establishes a reserve for depreciation under Section 116.203.

(b) A trustee shall allocate to income 10 percent of the receipts from a liquidating asset and the balance to principal.

(c) The trustee may allocate a receipt from any interest in a liquidating asset the trust owns on January 1, 2004, in the manner provided by this chapter or in any lawful manner used by the trustee before January 1, 2004, to make the same allocation.