With regard to the state visit of Their Majesties the King and Queen of the Belgians: (a) who was responsible for making the arrangements for Their Majesties’ arrival ceremony at Rideau Hall; (b) who ordered the German flags for use on the grounds of Rideau Hall for the arrival ceremony; (c) who was responsible for placing the German flags on site; (d) did the government apologize to the Government of Belgium for this incident; and (e) if the answer to (d) is affirmative, what are the details, including (i) who made the apology, (ii) to whom was it given, (iii) when was it given, (iv) what was the manner of the apology (e.g. formal letter, verbal)?
In the House of Commons on May 7th, 2018. See this statement in context.