Tex. Loc. Gov't Code § 159.006

If a person has filed a financial statement under one provision of this subchapter covering the preceding calendar year, the person is not required to file a financial statement required under another provision of this subchapter to cover that same year if, before the deadline for filing the statement under the other provision, the person notifies the county clerk in writing that the person has already filed a financial statement under this subchapter to cover that year.