HE may not be able to be called a liar in Parliament but a Scottish court heard yesterday how Prime Minister Boris Johnson was economical with the truth over the prorogation of Parliament.

The case led by SNP MP Joanna Cherry took a dramatic turn when papers handed to Cherry’s lawyers at 11pm on Monday night turned out to include evidence that Johnson was considering suspending Parliament as early as August 15 – for several days after that, Downing Street denied that there was any plan for prorogation.

At the Court of Session in Edinburgh yesterday Aiden O’Neill QC for Cherry and the 75 other MPs and peers in the action told judge Lord Doherty about a note dated August 15 from Nickki da Costa, a former director of legislative affairs at Number 10, and seen by Prime Minister Boris Johnson and his adviser Dominic Cummings, which asked whether an approach should be made to prorogue Parliament.

The note stated: “Are you content for your PPS (principal private secretary) to approach the palace with the request for prorogation to begin with the period 9 September to Thursday 12 September and for the Queen’s Speech on 14 October?”

A tick and the word “yes” was written on the document, the Court heard, although the author of the annotation was not disclosed in court.

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Aiden O’Neill QC, representing the parliamentarians, said: “One presumes this was a document sent in the red box to the Prime Minister to be read at his leisure.”

Johnson replied the following day with a handwritten note describing the September session of Parliament as a “rigmarole” designed to show MPs were “earning their crust”. He added it should not be “shocking” to suspend Parliament.

The Queen met the Privy Council led by Jacob Rees-Mogg on August 28 to approve the move which led First Minister Nicola Sturgeon to brand Johnson a “tin pot dictator”.

The National: Boris Johnson and Nicola Sturgeon

A decision was made to bring a full hearing forward to Tuesday from this Friday after the judge ruled it would be “in the interest of justice that it proceeds sooner rather than later”.

The case turns on whether prorogation is unlawful because it is about avoiding Parliamentary scrutiny over Brexit.

O’Neill described as having a record that was “characterised by incontinent mendacity, an unwillingness or inability to speak the truth”.

He pointed to the documents as showing the suspension of Parliament policy was being considered much earlier than announced and argued the court had been misled.

O’Neill said: “This court was told nothing of that and was told in fact that this judicial review is academic, hypothetical and premature.

“That is not true. This court and these petitioners were being actively misled.”

He argued the real reason to suspend Parliament was to allow a No-Deal Brexit to take place by removing proper scrutiny.”

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The lawyer added: “This is an attempt to roll back history in favour of some kind of divine right.”

O’Neill also said Johnson was trying to govern as an “autocracy” using “one-man rule” by these attempts.

He added: “Why were these specific dates chosen? It’s because they think they’re gaming the system.”

It was stated that decisions in two separate Brexit-related court cases, brought by activist Gina Miller and Andy Wightman MSP, show Parliament should decide whether or not the UK leaves without a deal. O’Neill said it was not lawful to create circumstances where that happens without such approval.

David Johnston QC, representing the Government, said the arguments were “academic” as it was not for the courts to decide if Parliament can be prorogued.

Johnston said: “This is political territory and decision making which cannot be measured against legal standards, but rather only by political judgements which must permit a degree of flexibility according to circumstances.”

Later in the House of Commons, Joanna Cherry asked Johnson if he “would give his word that he and his Government will respect legislation passed by this House and decisions made by the two legal jurisdictions in this Union, the jurisdictions in England and in Scotland?”

Johnson declined to give his word on the matter.

Lord Doherty said he would consider his verdict overnight. The court will reconvene at 10am today.