Romain Poite will get things under way on the second weekend of the Championship as he takes charge of Ireland v Wales in Dublin at 2.15pm on Saturday.
Ireland v Wales (Aviva Stadium, Dublin, Ireland; 8 Feb 2020; 2.15pm)
Referee: Romain Poite (France)
Assistant 1: Luke Pearce (England)
Assistant 2: Mike Fraser (New Zealand)
TMO: Glenn Newman (New Zealand)
Scotland v England (BT Murrayfield, Edinburgh, Scotland; 8 Feb 2020; 4.45pm)
Referee: Pascal Gauzere (France)
Assistant 1: Mathieu Raynal (France)
Assistant 2: Federico Anselmi (Argentina)
TMO: James Leckie (Australia)
France v Italy (Stade de France, Paris, France; 9 Feb 2020; 3pm GMT)
Referee: Andrew Brace (Ireland)
Assistant 1: Nigel Owens (Wales)
Assistant 2: Brendon Pickerill (New Zealand)
TMO: Brian MacNeice (Ireland)