GOV §3543.1: (a) Employee organizations shall have the right to represent their members in their employment relations with public school employers, except that once an employee organization is recognized or certif

(a) Employee organizations shall have the right to represent their members in their employment relations with public school employers, except that once an employee organization is recognized or certified as the exclusive representative of an appropriate unit pursuant to Section 3544.1 or 3544.7, respectively, only that employee organization may represent that unit in their employment relations with the public school employer. Employee organizations may establish reasonable restrictions regarding who may join and may make reasonable provisions for the dismissal of individuals from membership. (b) Employee organizations shall have the right of access at reasonable times to areas in which employees work, the right to use institutional bulletin boards, mailboxes, and other means of communication, subject to reasonable regulation, and the right to use institutional facilities at reasonable times for the purpose of meetings concerned with the exercise of the rights guaranteed by this chapter. (c) A reasonable number of representatives of an exclusive representative shall have the right to receive reasonable periods of released time without loss of compensation when meeting and negotiating and for the processing of grievances. (d) All employee organizations shall have the right to have membership dues deducted pursuant to Sections 45060 and 45168 of the Education Code, until an employee organization is recognized as the exclusive representative for any of the employees in an appropriate unit, and then the deduction as to any employee in the negotiating unit shall not be permissible except to the exclusive representative.