The COVID inquiry has issued a authorized discover to the Cabinet Office for not handing over the total contents of Boris Johnson's messages.

The Cabinet Office tried to object to handing over the communications however was overruled by Baroness Hallett, the chair of the inquiry.

Downing Street insisted the federal government was supplying "all relevant material" to the inquiry.

The Cabinet Office has already offered greater than 55,000 paperwork, 24 private witness statements and eight company statements to the inquiry.

But the Government believes it has no obligation to reveal "unambiguously irrelevant" materials, Downing Street stated.

Boris Johnson says he's instructing new attorneys to characterize him within the inquiry.