Major Brexit milestone achieved - no Brexit extension possible! (4k)

Last night a major Brexit milestone was reached, that of making a Brexit Implementation Period extension impossible. Social media was alight last night with Remainers shedding yet more salty tears as yet another major Brexit milestone was passed - but nowadays these milestones pass easily and without the drama of Remainer politicians conspiring and lawyers suing. At 11 pm last night the clause allowing both sides to agree to a Brexit Implementation Period extension via the Joint Committee became time barr