The European Union's data protection directive, the most sweeping recent attempt, gives individuals unprecedented control over information about themselves.

ECONOMIST: The end of privacy

In January, the FAA issued an airworthiness directive ordering airlines to provide flight manuals that outline procedures for pilots to regain control of a 737 that goes into a sudden turn or roll.

CNN: NTSB urges pilot training for 737 rudder problem

Mr Lewis said that although the changes had been brought in because of an EU directive, the union was arguing for a "fairer balance to be struck" between control measures and ensuring that cattle farming businesses can be run.

BBC: Bovine TB controls 'strangling farming' says NFU Cymru