Crown Prince Haakon has been a Goodwill ambassador for the UNDP since 2003. The Norwegian government pays for the UNDP engagements of the Crown Prince, as far as I know. I cannot recall any criticism in Norwegian media of this. Other parts of the royal budgets have been thoroughly criticized, but the UNDP ambassadorship is seen as part of Norway´s fairly substantial development budget, for which there is much support. He has undertaken one major annual trip on behalf of the UNDP in recent years.
More info (in English): https://www.royalcourt.no/artikkel.html?tid=84163&sek=28625
Crown Princess Mette-Marit is a Special Representative for UNAIDS, an appointment she has held since 2006. I believe her engagements are funded in the same way, but there have been fewer trips and engagements in recent years.
More info (in English): https://www.royalcourt.no/artikkel.html?tid=89740&sek=28626
Btw - Crown Prince Haakon was recently in New Work for the UN High level week and 74th session of the General assembly. This trip was on behalf of the government (and thus funded with foreign office money) as Norway is using him promoting its candidacy for a UN Security council seat.
More here (in English): https://www.royalcourt.no/nyhet.html?tid=173355&sek=27262
The Crown Prince with the Hereditary Prince of Liechtenstein:
Picture credit NTP/Scanpix
Recently the media were notified that Dutch Queen Maxima receives an extra amount annually from the Dutch State for her travels to & from the UN in her capacity as a UN Ambassador, whereas many assumed the UN was paying the bill ......
* See Benelux MB for background info please.
Now I am wondering if either CP Haakon of Norway and/or CPess Mary of Denmark also receive similar extra allowances for their UN work - besides their official income I mean.
Do hope fellow contributors will be able to shed some light here
Thanks in advance