What the British author of the article should point out is that the US states determine how and what professions are licensed. Some US federal laws and regulati

What the British author of the article should point out is that the US states determine how and what professions are licensed. Some US federal laws and regulations require licensure in a profession in federal domain, but those requirements are determined by the state (e.g, Arizona CPA licensure has greater school credit requirements than a Georgian CPA).