(a) A nonprofit legal services corporation may not:
(1) contract to practice law; or
(2) control or attempt to control the relationship existing between a participant and the participant's attorney.
(b) The corporation may act only as an agent on behalf of its participants for legal services and, except as provided by Section 961.254, those services may be provided only by and through contracting attorneys. A contracting attorney must be an independent contractor maintaining a direct lawyer and client relationship with a participant and may not be an employee of the corporation.