Boris Johnson as we speak backed banning MPs from being paid consultants or lobbyists as he tried to quell the sleaze row forward of a crunch vote tomorrow.
The PM has written to Speaker Lindsay Hoyle proposing a dramatic overhaul of the foundations to crack down on abuses of the system - that would hit the pursuits of a lot of Tory MPs.
The transfer got here as Keir Starmer prepares to power a vote within the Home of Commons tomorrow that would bar MPs from holding paid directorships and industrial consultancies.
The Labour chief went additional at a press convention minutes after the premier's name emerged saying that 'sufficient is sufficient' and virtually all second jobs ought to be dominated out.
Mr Johnson mentioned in his letter that the Code of Conduct ought to be up to date, and endorsed 2018 suggestions from the Committee on Requirements in Public Life.
He mentioned the adjustments ought to guarantee 'MPs who're prioritising exterior pursuits over their constituents are investigated and appropriately punished'.
Mr Johnson additionally mentioned he needed MPs 'banned from performing as paid political consultants or lobbyists'.
The potential tensions over the strategy have been laid naked earlier when Cupboard minister Jacob Rees-Mogg steered it could be unimaginable to make such guidelines work.
Unaware of the PM's intervention, Sir Keir used a press convention to accuse Mr Johnson of 'corroding belief in our parliament and the idea that politics is a power for good.'
He added: 'It is time to ban MPs from being paid administrators and industrial consultants. That shouldn't be a controversial scenario.'
However on being knowledgeable of the shift from Mr Johnson, Sir Keir joked: 'So we now have received the vote tomorrow already?'
He added: 'If he's accepting the movement in full, that is a big victory for us in our work to clear up politics. However I would wish to have a look at how he has put it.'
Sir Keir is pushing the problem within the wake of the Westminster sleaze scandal, triggered by the Owen Paterson lobbying row, which has battered the Conservatives in latest weeks.
The Labour chief has mentioned it ought to be a 'level of consensus that paid directorships and industrial consultancies usually are not jobs for MPs' and 'the one individuals MPs ought to be lobbying for is their constituents'.
Third time fortunate! MPs FINALLY vote to rebuke Owen Paterson for lobbying after Boris's abortive bid to avoid wasting ally a fortnight in the past
Mr Paterson was discovered by a requirements watchdog to have dedicated an 'egregious' breach of guidelines by immediately advocating for 2 firms whereas they have been paying him greater than £100,000 per yr.
The Authorities blocked his really helpful 30-day suspension from Parliament earlier than performing a U-turn after a ferocious backlash, with Mr Paterson then opting to stop because the Tory MP for North Shropshire.
In his letter as we speak, Mr Johnson mentioned his proposals would guarantee MPs 'neglecting their duties to their constituents and prioritising exterior pursuits could be investigated, and appropriately punished by the present disciplinary authorities'.
'They might additionally ban MPs from exploiting their positions by performing as paid political consultants or lobbyists,' Mr Johnson added.
He mentioned: 'The code of conduct for MPs ought to be up to date to state that: "Any exterior exercise undertaken by a MP, whether or not remunerated or unremunerated, ought to be inside affordable limits and mustn't stop them from totally finishing up their vary of duties".'
That might doubtlessly have an effect on Tory MP Geoffrey Cox, who has been criticised for finishing up a £1million a yr authorized apply alongside his Commons duties.
Mr Johnson additionally backed updating the foundations to state: 'MPs mustn't settle for any paid work to offer providers as a Parliamentary strategist, adviser or guide, for instance, advising on Parliamentary affairs or on easy methods to affect Parliament and its members. MPS ought to by no means settle for any fee or affords of employment to behave as political or Parliamentary consultants or advisers.'
Mr Johnson mentioned the adjustments may 'command the boldness' of the general public, and he needed them applied as a 'matter of urgency'.
'The federal government believes that these two suggestions kind the premise of viable strategy which may command the boldness of parliamentarians and the general public,' he wrote.
Labour is planning to make use of an Opposition Day debate within the Commons tomorrow to vote on ending paid directorships and industrial consultancies in Parliament.
However Jacob Rees-Mogg has questioned the viability of Labour's proposals, telling the Conservative House Moggcast podcast: 'The place do you draw the road? Let me offer you a particular instance. I'm a trustee of the Oxford Union Literary and Debating Belief which is the mum or dad charity of the Oxford Union Society, Oxford's debating organisation.
'It promotes free speech, it helps an excellent, energetic charitable academic goal.
'It takes up a small period of time annually, it's unpaid. Ought to MPs be capable of be trustees of charities? I feel most individuals would say sure, that could be a completely affordable function for them to be concerned in.
'However what if they're concerned with a charity that could be a little bit extra work and so they really receives a commission for it? Ought to they be concerned in that?
'When you say sure, they need to be concerned in that, can they be docs? And should you say nicely sure they are often docs... are they then allowed to be concerned within the pharmaceutical business?
'Say they've been useful in growing medication, have quite a lot of information about how medication are developed and keep it up involvement with doubtlessly a begin up firm that's growing medication that they might have based, ought to they be allowed to proceed with that?'
The Cupboard minister mentioned a key query is whether or not it's 'helpful for a member of Parliament to learn about completely different areas and completely different actions'.
He continued: 'And if you cannot draw the road aside from you should not do paid lobbying, how will we determine Labour's movement?
'Is it going to be you are able to do no matter Keir Starmer does however you possibly can't do any extra? Is that what they're proposing?
'So I feel drawing strains is awfully troublesome and what do voters need? Nicely they need MPs with expertise who contribute.'
Mr Rees-Mogg mentioned the present guidelines on paid lobbying are 'actually clear and actually essential' however 'when it comes to exterior pursuits it's a way more complicated query'.
His feedback got here as Quantity 10 mentioned it can wait to see the precise wording of what Labour is proposing earlier than commenting intimately.
Requested what the PM's view is on MPs holding consultancies and directorships, his spokesman mentioned: 'I feel the Prime Minister has given his view that an MP's major job is and have to be to serve their constituencies and symbolize their pursuits in Parliament.
'They need to be seen of their constituencies and accessible to assist their constituents with any issues of concern.'