Top civil servant Sue Gray is expected to publish her Partygate findings this week after Scotland Yard finished its probe into lockdown bashes in Downing Street and Whitehall.
The senior official was tasked with investigating Covid lawbreaking at the heart of Government after civil service chief Simon Case had to step aside from running the probe because a party had been held in his own office.
Boris Johnson avoided receiving further fines from the Metropolitan Police beyond the penalty for his lockdown birthday bash in June 2020 - despite 126 fines being issued in total.