The FAA issued the following press release on December 14, 2015:

“If you own a drone, you must register it with the Federal Aviation Administration’s Unmanned Aircraft System (UAS) registry. A federal law effective December 21, 2015 requires unmanned aircraft registration, and you are subject to civil and criminal penalties if you do not register.

Register before January 20, 2016 and your $5 registration fee will be refunded!