The proposal would assess a fee of about A$20 for each model aircraft owned, plus a fee of A$100 to A$160 for each commercially used model aircraft:
CASA is planning to introduce a drone registration and accreditation scheme later this year.
Source: Drone registration and accreditation scheme – update | Civil Aviation Safety Authority
The UK is proposing an annual fee of 16.5 pounds. The U.S. assesses a fee of US$5.00 per pilot, good for 3 years; the registration number is applied to all aircraft operated by the pilot.