accountant
airline pilot
articled clerk of a limited company
assurance agent of a recognised company
bank or building society official
barrister
chairman or director of a limited company
chiropodist
commissioner for oaths
councillor - local or county
civil servant - permanent
dentist
director, manager or personnel officer of a VAT-registered company
engineer with professional qualifications
financial services intermediary, for example a stockbroker or insurance broker
fire service official
funeral director
insurance agent of a recognised company - full time
journalist
Justice of the Peace
legal secretary - fellow or associate member of the Institute of Legal Secretaries and PAs
licensee of a public house
local government officer
manager or personnel officer of a limited company
member, associate or fellow of a professional body
Member of Parliament
Merchant Navy Officer
minister of a recognised religion including Christian Science
nurse - registered
officer of the armed services
optician
paralegal - certified, qualified or associate member of the Institute of Paralegals
person with honours - OBE or MBE
pharmacist
photographer - professional
police officer
Post Office official
president or secretary of a recognised organisation
Salvation Army Officer
social worker
solicitor
surveyor
teacher or lecturer
trade union officer
travel agent - qualified
valuer or auctioneer - fellow or associate member of the incorporated society
Warrant Officer or Chief Petty Officer
becoming an officer in the salvation army requires signing documentation. Likewise ministers need to be ordained.
So maybe expand the definition of regulation to include public institutions which have defined rules or codes of conducts. Leaving out the clanging irony of the multitude of crimes committed through organised religion.
Journalists is a weird one. I think back in the day it would have been that they trade on their public reputation. Less so now when I can start up a blog on college sports and call myself an investigative journalist.
And paid photographer?
I honestly don’t know. Maybe a carry over from print journalism?