The Worker Adjustment and Retraining Notification Act (WARN): Group of answer choices prohibits major layoffs without mediation requires employers with a 100 or more employees including part-time employees to give notice before implementing a major layoff requires companies to offer job transfers to locations where jobs are available requires employers with 100 or more employees to give notice before a major layoffThe NLRB has ruled that "effects bargaining" is mandatory for: Group of answer choices for negotiating independent contract language consequences of technological decisions seeking assistance from government encouraging worker grievances being filed