An article titled “What are the relevant laws and regulations regarding drones and UAVs?  Explanatory summary of relevant laws such as Civil Aeronautics Act and Radio Act,” written by Takuya Ishikawa, was posted on “BUSINESS LAWYERS,” a portal site of Bengo4.com.

1. Definitions of drones, UAVs and small drones
2. Laws and regulations regarding UAVs which have been rapidly developed
　2-1. Consideration by the public-private association and phased amendments of Civil Aeronautics Act
　2-2. The amendment of Civil Aeronautics Act in 2021 enabled level 4 flight
3. Regulations of UAVs under Civil Aeronautics Act
　3-1. Summary of regulations
　3-2. Definition of “UAVs”
　3-3. Obligation for registration of UAVs (Art. 132 through Art. 132-12)
　3-4. Regulations regarding flight airspace (Art. 132-85)
　3-5. Regulations regarding flight method (Art. 132-86)
　3-6. Measures in case of entrance by a third party (Art. 132-87)
4. Regulations of UAVs other than Civil Aeronautics Act
　4-1. Prohibition of flight over important facilities (Drone Act)
　4-2. Regulations against flight over public facilities
　4-3. Utilization of radio (Radio Act)
5. Points to be considered under Civil Code and protection of privacy
　5-1. Flight over land of a third party (Art. 207 of Civil Code)
　5-2. Guidelines regarding aerial photography

https://www.businesslawyers.jp/articles/1346