Texas Business Organizations Code - BUS ORG § 21.605. Control

(a) For purposes of this subchapter, a person has control of another person if the person has possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of the other person, through the ownership of equity securities, by contract, or in another manner.

(b) A person's beneficial ownership of 10 percent or more of a person's outstanding voting shares or similar interests creates a presumption that the person has control of the other person, but a person is not considered to have control of another person who holds the voting shares or similar interests in good faith and not to circumvent this part, as an agent, bank, broker, nominee, custodian, or trustee for one or more beneficial owners who do not individually or as a group have control of the person.