Complex sentence: Teams will be taken from a league and put into a tier, a draw is used to allocate two second seeds to Tier 1, the remaining team will go into Tier 2.
Split into simpler sentences: Teams will be taken from a league and put into a tier, where necessary, draws will be used to allocate equal seeded teams to different tiers. For example, a draw will allocate two second seeds to Tier 1, the remaining team will go into Tier 2.