If you own a drone, you must register it with the FAA's Unmanned Aircraft System (UAS) registry

Article Title: Unmanned Aircraft Systems (UAS) Registration

Drone Registry

Article: "...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.

• Review the UAS Registration FAQs to learn more about the program.
• Read the Aircraft Registration Records System of Records Notice (MS Word).
• Read the Registration and Marking Requirements for Small Unmanned Aircraft Interim Final Rule (PDF).

Register before January 20, 2016 and your $5 registration fee will be refunded!..."
Source: www.faa.gov FAA's Unmanned Aircraft System (UAS) registration, Drone Registry,