Actually, usually it is organizations on both sides of the agreement. At least here in .se. Originally the rules originated in long term agreement between empl

Actually, usually it is organizations on both sides of the agreement. At least here in .se. Originally the rules originated in long term agreement between employer organizations and unions, and was later codified into law. And even if union memberships are way down from what they used to be, their agreements are seen as guiding lines for how other working agreements are made.