In this subchapter:
(1) “Association” means an organization in which peace officers employed by the authority participate and that exists for the purpose, wholly or partly, of dealing with the authority concerning grievances, labor disputes, wages, rates of pay, hours of work, or conditions of work affecting peace officers.
(2) “Public employer” means an authority that is required to establish the wages, salaries, rates of pay, hours of work, working conditions, and other terms and conditions of employment of peace officers employed by the authority.