voluntary

OPEC+ attributed the pause to seasonality, and said the group maintained “full flexibility to continue pausing or reverse the additional voluntary production adjustments.”

Individual sonographers can also decide to join the Register of Clinical Technologists, which the public can then search to see if certain standards have been met, but again participation is voluntary.

However, the process is voluntary, so while victims can request to speak directly to specific individuals - for example the former boss of the Post Office, Paula Vennells - ex-executives are not obliged to take part.

The statement said conflating voluntary migration and refugee asylum was a "serious mischaracterisation" that undermines international systems to protect persecuted people.

It comes just weeks after Andrew voluntary gave up his other royal titles, including the Duke of York.