ERC Chairman Jean-Pierre Lux will conduct the draw, which will take place at the Millennium Stadium
The six top seeds from the six nations will be kept apart at the head of the six Pools. The confirmed top seeds are: London Wasps (England), Stade Français Paris (France), Leinster (Ireland), Benetton Treviso (Italy), Glasgow Warriors (Scotland) and the Ospreys (Wales).
No two teams from the same country will be drawn in the same Pool except for the seventh English club, NEC Harlequins, who could face any of their six domestic rivals.
HEINEKEN CUP 2007 / 2008 QUALIFIERS
London Wasps (seeded)
Stade Francais Paris (seeded)
ASM Clermont Auvergne
Biarritz Olympique Pays Basque
Benetton Treviso (seeded)
Glasgow Warriors (seeded)
Newport Gwent Dragons