They don’t let just anyone be US Customs Brokers. They are federal employees, so the screening process is federal-level intense. You have to pass a number of qualifications, just to register for the test. Learn them below. Be at least 21 years old Not be a current Federal employee Be a US citizen Have good moral character and be willing to have people testify to it Be willing to be fingerprinted Pay the $390 test registration fee If you passed all of the above, congratulation