The phrase "agreement with the union" means when the company or business and the workers' union come to a mutual understanding or deal about different aspects of employment, such as wages, working hours, or benefits. Full definition
Changes to these plans will require enough lead time to give notice to employees and / or negotiate the terms of any collective agreement with unions. (ropergreyell.com)
Management had to operate within the framework of the district's collective bargaining agreements with its union employees, and teachers were allowed to transfer to other schools within the district if they wished. (educationnext.org)
Changes to these plans will demand enough lead time to give notice to employees and negotiate the terms of any collective agreement with unions. (slaw.ca)