registration authority

基本解释

The gun rights crowd considers mandatory registration as an unconstitutional overreach of federal authority and the close attention paid to all discussions on the topic show how carefully Baucus and others must tread.
NPR: Pro-Gun Voters Put Heat On Democratic Senators
The U.S.'s annual global human rights report issued Friday by the State Department said China had imposed new registration requirements to prevent groups from emerging that might challenge government authority.
NPR: China Criticizes US For Its Human Rights Record