“Affordable Care Act” employer notices must be mailed to employees by Oct 1 but now DOL says no penalty if your company forgets (the penalty prior to this bulletin was $100 per day). See the bullitin here:

https://www.dol.gov/ebsa/faqs/faq-noticeofcoverageoptions.html?utm_source=FAQ+about+ACA+%231&utm_campaign=Delta+Renewals+8.28&utm_medium=email