Start counting—employees, that is. The federal Patient Protection and Affordable Care Act of 2010, which is well known as "ObamaCare," imposes "pay or play" requirements on certain employers. Essentially, they must either provide minimum levels of health insurance coverage or pay monetary penalties for non-coverage. These requirements apply only to employers with at least 50 "full-time equivalent" employees. Consequently, many smaller employers need not be concerned about compliance with ObamaCare.