Texas Estates Code - EST § 305.002. Manner of Qualification of Personal Representative

(a) A personal representative, other than an executor described by Subsection (b), is considered to have qualified when the representative has:

(b) An executor who is not required to give a bond is considered to have qualified when the executor has taken and filed the oath prescribed by Subchapter B or made, signed, and filed the declaration prescribed by Subchapter B.