Apparently as of Feb 23rd all "drones" will be required to have their registration numbers on the exterior of the craft - no longer acceptable to be in an area such as a battery compartment.
I can't get to the Federal Register where this was apparently posted on 2/12, but multiple articles &. youtube videos up on it currently
Here is a link to a preview of the doc - https://s3.amazonaws.com/public-inspection.federalregister.gov/2019-00765.pdf
FAA orders markings for civilian drones
The US government is about to put a dog tag on your drone
FAA will require drones to display registration numbers externally
I can't get to the Federal Register where this was apparently posted on 2/12, but multiple articles &. youtube videos up on it currently
Here is a link to a preview of the doc - https://s3.amazonaws.com/public-inspection.federalregister.gov/2019-00765.pdf
FAA orders markings for civilian drones
The US government is about to put a dog tag on your drone
FAA will require drones to display registration numbers externally