Texas Estates Code - EST § 361.104. Appointment When Named Executor Becomes an Adult

(a) A person named as executor in a will who was not an adult when the will was probated is entitled to have letters testamentary or of administration that were granted to another person revoked and appropriate letters granted to the named executor on proof that the named executor has become an adult and is not otherwise disqualified.

(b) This subsection applies only if a will names two or more persons as executor. A person named as an executor in the will who was a minor when the will was probated may, on becoming an adult, qualify and receive letters if: