The coefficient is calculated by dividing the total of points accumulated by the number of participating teams.
Participation is reserved to teams from associations that have an effective capacity to organise annually their own national championships.
As English champions King's Lynn resigned to its place, that was occupied by a fourth Italian team following the allocation criteria.
[2] The 16 teams were allocated into four pots, with the title holders, Sporting CP, being placed directly as head-team of the Group A.
The other 3 seeded teams, Porto, Barcelona and Forte dei Marmi, were automatically placed in groups B, C and D, respectively.