(1) If the declaration provides that any of the powers described in RCW 64.90.405 are to be exercised by or may be delegated to a for-profit or nonprofit corporation or limited liability company that exercises those or other powers on behalf of one or more common interest communities or for the benefit of the unit owners of one or more common interest communities, all provisions of this chapter applicable to unit owners associations apply to any such corporation or limited liability company, except as modified by this section.

(2) Unless it is acting in the capacity of an association described in RCW 64.90.400, a master association may exercise the powers set forth in RCW 64.90.405(1)(b) only to the extent expressly permitted in the declarations of common interest communities that are part of the master association or expressly described in the delegations of power from those common interest communities to the master association.

(3) If the declaration of any common interest community provides that the board may delegate certain powers to a master association, the board is not liable for the acts or omissions of the master association with respect to those powers following delegation.

(4) The rights and responsibilities of unit owners with respect to the unit owners association set forth in RCW 64.90.410, 64.90.445, 64.90.450, 64.90.455, 64.90.465, and 64.90.505 apply in the conduct of the affairs of a master association only to persons who elect the board of a master association, whether or not those persons are otherwise unit owners within the meaning of this chapter.

(5) If a master association is also an association described in RCW 64.90.400, the organizational documents of the master association and the declaration of each common interest community, the powers of which are assigned by the declaration or delegated to the master association, may provide that the board of the master association must be elected after the period of declarant control in any of the following ways:

(a) All unit owners of all common interest communities subject to the master association may elect all members of the master association's board;

(b) All board members of all common interest communities subject to the master association may elect all members of the master association's board;

(c) All unit owners of each common interest community subject to the master association may elect specified members of the master association's board; or

(d) All board members of each common interest community subject to the master association may elect specified members of the master association's board.