Yes. If you did not report your business as sold, closed or otherwise disposed of on your 2015 return, then the IRS is expecting a SCH C from you with the 2016 return. If they don't get it, and are expecting it, then it comes back to bite you about 24-36 months down the road after you file a tax return without it. Will post separately on what you need to do to file a "final" SCH C with your 2016 return.
