(a) Except as otherwise provided in subsections (b) and (c), the parties to an agreement to arbitrate or to an arbitration proceeding may waive or vary the requirements of sections 572B.01 to 572B.31 to the extent permitted by law.
(b) Before a controversy arises that is subject to an agreement to arbitrate, the parties to the agreement may not:
(2) unreasonably restrict the right under section 572B.09 to notice of the initiation of an arbitration proceeding;
(3) unreasonably restrict the right under section 572B.12 to disclosure of any facts by a neutral arbitrator; or
(4) waive the right under section 572B.16 of a party to an agreement to arbitrate to be represented by a lawyer at any proceeding or hearing under sections 572B.01 to 572B.31, except that an employer and a labor organization may waive the right to representation by a lawyer in a labor arbitration.
(c) The parties to an agreement to arbitrate may not waive or vary the requirements of this section or section 572B.03, subsection (a)(1) or (b); 572B.07; 572B.14; 572B.18; 572B.20, subsection (c) or (d); 572B.22; 572B.23; 572B.24; 572B.25, subsection (a) or (b); 572B.29; 572B.30; or 572B.31.