(a) Except as otherwise provided in (b) and (c) of this section, a party to an agreement to arbitrate or arbitration proceeding may waive, or the parties may vary the effect of, the requirements of AS 09.43.300 - 09.43.595 to the extent permitted by law.
(b) Before a controversy arises that is subject to an agreement to arbitrate, a party to the agreement may not
(1) waive or agree to vary the effect of the requirements of AS 09.43.320, 09.43.330(a) or (b), 09.43.350, 09.43.440(a) or (b), 09.43.530, or 09.43.550;
(2) agree to unreasonably restrict the right under AS 09.43.360 to notice of the initiation of an arbitration proceeding;
(3) agree to unreasonably restrict the right under AS 09.43.390 to disclosure of any facts by a neutral arbitrator; or
(4) waive the right under AS 09.43.430 of a party to an agreement to arbitrate to be represented by an attorney at a proceeding or hearing under AS 09.43.300 - 09.43.595, but an employer and a labor organization may waive the right to representation by an attorney in a labor arbitration.
(c) A party to an agreement to arbitrate or arbitration proceeding may not waive, or the parties may not vary the effect of, the requirements of this section, AS 09.43.300(a), (c), or (d), 09.43.340, 09.43.410, 09.43.450, 09.43.470(d) or (e), 09.43.490, 09.43.500, 09.43.510, 09.43.520, 09.43.560, or 09.43.570.