There is a two year period during which ex-officers are required to take advice off the Cabinet Office Committee, which looks at business links. If we find that people are not taking that advice, we will look at steps to shut down their access to ministers and officials. But all of the companies that these people would be offering services to rely on the MoD as their principal customer. If we were to make it clear that the kind of lobbying that is being talked about here will damage them, rather than benefit them, that would be rather effective.
More top news
US-backed Iraqi forces pushed deeper into western Mosul as they continue their fight to re-capture the city from so-called Islamic State.
British director David Mackenzie warned against the "politicising" of award ceremonies ahead of Sunday's event.
The suspect in the death of North Korean leader Kim Jong-un's half brother was paid $90 to help carry out what she thought was a "prank".