Texas Property Code - PROP § 161.021. Authority of Fiduciary

(1) employ a bank incorporated in this state or a national bank located in this state as custodian of the security;  and

(2) whether the fiduciary is an individual or a bank and if any individual who is a cofiduciary with the bank consents, authorize the security to be registered and held in the name of a nominee of the bank without disclosing the fiduciary relationship.