EFFECT OF RELEASE ON MULTIPLE DONEES.
Tex. PROP Code § 181.054.
in effectUnless the instrument creating a power provides otherwise, the complete or partial release by one or more donees of a power that may be exercised by two or more donees, either as an individual or a fiduciary, together or successively, does not prevent or limit the exercise or participation in the exercise of the power by the other donee or donees.
