For a nation or union of nations other than the U.S.:
Identify the government authority that is the counterpart of the FAA Aircraft Registry.
Civil aircraft registered in the U.S. are identified by the letter N, followed by numbers or a combination of numbers and letters. What markings identify civil aircraft registered in the nation you chose?
Has that nation imposed a legal requirement to register any class of civil unmanned aircraft with that government authority?
Please Provide hyperlinks to references relied on.