The official document is as follows, please refer to the attachment:

--

Subject: Forwarding the drone flight safety knowledge from the Civil Aeronautics Administration, Ministry of Transportation and Communications, requesting your bureau to assist in notifying schools at all levels for timely dissemination, please be informed.
Explanation:
1. In accordance with the letter from the Civil Aeronautics Administration, Ministry of Transportation and Communications, dated November 25, 114, Ref. No. 1145029745.
2. Attached are the letter from the Civil Aeronautics Administration, Ministry of Transportation and Communications, and one promotional poster (as attached).