Khan, who was convicted at Southwark Crown Court on April 11 after a trial over sexually assaulting a 15-year-old boy, sent a letter triggering the resignation process last week.
The move came despite him declaring he would stand down on April 14 - meaning he received his full taxpayer-funded salary for last month.
He has now been appointed Steward and Bailiff of the Three Hundreds of Chiltern by Chancellor Rishi Sunak, a formal mechanism allowing an MP to quit the Commons.
The disgraced politician had been resisting calls to resign until conceding it would be it “intolerable” for voters in the West Yorkshire constituency to have muted representation while he appeals the conviction.
His departure sets the stage for a critical by-election test for both Boris Johnson and Keir Starmer,
Wakefield was one of the traditional Labour heartlands seats seized by the Tories in the 2019 general election, known as the Red Wall.
Both party leaders will be under immense pressure to win the contest to show their approach is working.
Another disgrace to add to the Tory Party list …