Ireland's George Clancy and John Lacey will take charge of games in the forthcoming Rugby Championship.
The International Rugby Board has announced the match official appointments for the 2014 Rugby Championship and also the upcoming 2015 Rugby World Cup qualifiers.
John Lacey will take charge of the opening game between South Africa and Argentina at Loftus Versfeld on Saturday, August 16.
George Clancy will be in charge when Australia play South Africa in the third round of matches in September.
The appointments were made by the IRB Match Official Selection Committee at its meeting in New Zealand and follow a detailed review of recent performances during the recent June Tests and IRB tournaments.
The appointments for the 12 Championship fixtures feature a blend of northern and southern Hemisphere match officials selected on form.
Taoiseach Enda Kenny has joined a host of political, sporting and broadcasting legends to send a message of support to the Ireland Women's squad ahead of the forthcoming Women's Rugby World Cup, which begins in Paris next Friday.
Speaking after the IRFU's Annual Council meeting, Chief Executive Philip Browne highlighted the importance of ticket revenue to the Union and also their sustained investments in the professional and domestic games.
Listen to post-match reaction from captains Anton Lienert-Brown and Peadar Timmins following the Ireland Under-20s' 45-23 loss to New Zealand in the IRB Junior World Championship 3rd/4th place play-off at Eden Park.
Earlier this week the Ireland squad and management were guests at a reception in Buenos Aires hosted by James McIntyre, the Irish Ambassador to Argentina. We spoke to team manager Michael Kearney and IRFU President Pat Fitzgerald on the night.
Looking forward to the second Test against Argentina, Iain Henderson said: "We need to get our breakdown right and make sure we get a good return from our set piece. If we do that, the backs will look after the rest for us."