The IRS has postponed until 2015 the Affordable Care Act’s mandate for large employers to provide health insurance to full-time employees or pay a free-rider penalty. Not postponed: The Oct. 1, 2013, opening of the individual exchanges and the small business exchanges, or SHOPs. Also not postponed: W-2 reporting of employees’ health benefits. Crucial: You also need to provide the exchange notices to all employees by Oct. 1