Texas Property Code - PROP § 113.085. Exercise of Powers by Multiple Trustees

(a) Cotrustees may act by majority decision.

(b) If a vacancy occurs in a cotrusteeship, the remaining cotrustees may act for the trust.

(c) A cotrustee shall participate in the performance of a trustee's function unless the cotrustee:

(d) If a cotrustee is unavailable to participate in the performance of a trustee's function for a reason described by Subsection (c)(1) and prompt action is necessary to achieve the efficient administration or purposes of the trust or to avoid injury to the trust property or a beneficiary, the remaining cotrustee or a majority of the remaining cotrustees may act for the trust.

(e) A trustee may delegate to a cotrustee the performance of a trustee's function unless the settlor specifically directs that the function be performed jointly.  Unless a cotrustee's delegation under this subsection is irrevocable, the cotrustee making the delegation may revoke the delegation.