With regard to the plaque for the National Holocaust Monument, which was inaugurated by the Prime Minister on September 27, 2017, and removed on October 3, 2017: (a) who gave final approval for the text on the plaque; and (b) what is the highest ranking individual in the Office of the Prime Minister who approved the text?
In the House of Commons on November 20th, 2017. See this statement in context.