Tex. Business Organizations Code § 21.314

(a) For purposes of this subchapter, the determination of whether a corporation is or would be insolvent and the determination of the amount of a corporation's stated capital or surplus, the value of the corporation's net assets, and the amount or value of any component of the corporation's stated capital, surplus, or net assets, may be based on:

(1) financial statements of the corporation, which may include financial statements of subsidiary entities or other entities accounted for on a consolidated basis or on the equity method of accounting, that:

(A) present the financial condition of the corporation, and any subsidiary or other entities included in those financial statements, in accordance with generally accepted accounting principles or international financial reporting standards; or

(B) have been prepared using the method of accounting used to file the corporation's federal income tax return or using any other accounting practices and principles that are reasonable under the circumstances;

(2) financial information, including condensed or summary financial statements, that is prepared on the same basis as financial statements described by Subdivision (1);

(3) a projection, a forecast, or other forward-looking information relating to the future economic performance, financial condition, or liquidity of the corporation that is reasonable under the circumstances;

(4) a fair valuation or information from any other method that is reasonable under the circumstances; or

(5) a combination of a statement, a valuation, or information authorized by this section.

(b) Subsection (a) does not apply to the computation of the Texas franchise tax or any other tax imposed on a corporation under the laws of this state.