Leinster, Munster and Ulster will discover their Champions Cup pool stage fates this afternoon.
The draw for the 2017/2018 Champions Cup takes place in Neuchatel at approximately 1pm.
Prior to the pool stage draw there will be a preliminary draw to determine the make-up of the tier one teams.
Aviva Premiership champions Exeter Chiefs, Top 14 champions Clermont Auvergne and Pro12 champions Scarlets will be joined by two sides from Wasps, Toulon and Munster in the top tier.
The group stage will comprise of five pools each featuring four teams. There will be at least one club from each of the three leagues in each pool. No pool can contain more than two teams from each league. Also, there can't be two Pro12 teams from the same country in one pool.
