What are clauses, you may be wondering? Clauses are certain rules that players abide by while in battles. Clauses can restrict Pokemon types, moves, and items. Here are the Standard Clauses here at the Pokémon Battle League and their descriptions.
HG/SS Move Tutors
any tutor moves or egg moves from HG/SS are banned until the release in america
Sleep Clause
You cannot put two of your opponent's Pokemon to sleep at the same time. (Rest not applicable)
Evasion Clause
No moves that increase evasion such as Double Team and Minimize may be used. Things like Sand-Attack and Sand Veil are still legal.
Species Clause
No two of the same Pokemon may be used on one team.
One Hit KO Clause
One hit ko moves such as Horn Drill or Sheer Cold are not to be used.
Uber Clause
No Uber Pokemon are allowed. These Pokemon include:
-Mewtwo
-Mew
-Ho-oh
-Lugia
-Kyogre
-Groudon
-Rayquaza
-Deoxys (all forms)
-Dialga
-Palkia
-Giratina
-Darkrai
-Arceus
-Manaphy
-Wobbuffet
Item Clause
4 or more Pokemon cannot hold the same item in your party (the max is 3) with the exception of the choice items and focus sashes(one each per team) One choice scarf, one choice band ect.
---The item Soul Dew is banned.---
Selfdestruct Clause
The moves Selfdestruct, Explosion, Perish Song, Destiny Bond, or any other such move may not be used if both players only have 1 remaining Pokemon. If a player uses one of those moves under this condition, they automatically lose.
These clauses apply to all Tournament battles. However, for normal battles, you may choose which Clauses to use.