Massachusetts officials have announced new healthcare regulations designed to increase pressure on companies that don't help cover insurance costs for large portions of their workers. Under Massachusetts' healthcare law, employers who did not enroll at least a quarter of their workers in an insurance plan or contribute a third of the premium costs faced a $295 annual fee per worker. The fees only applied to businesses with 11 or more full time workers, but the new regulations stipulate that companies with more than 50 full-time employees will have to meet both tests.