(a) The contingent fee agreement shall be written in plain and simple language reasonably believed to be understandable by the plaintiff.
(b) The attorney shall explain the terms and conditions of the agreement in compliance with a model explanation in plain and simple language prepared by the Oregon State Bar a reasonable time before the agreement is signed.
(c) The contingent fee agreements must contain a provision allowing the plaintiff to rescind the agreement within 24 hours after signing upon written notice to the attorney.
(2) Any contingent fee agreement entered into on or after September 26, 1987, that does not comply with the requirements of subsection (1) of this section is voidable. [Formerly 9.400]