Pokémon Scarlet and Violet Regulation Set E for Ranked Battles has been announced and will be applicable from Sunday, October 1st, 2023, at 00:00 UTC to Thursday, November 30th, 2023, at 23:59 UTC.

Announcing Regulation Set E for Ranked Battles Event Schedule

Sunday, October 1, 2023, at 00:00 UTC to Thursday, November 30, 2023, at 23:59 UTC

Battle Format - Eligible Pokémon

Paldea Pokédex No. 001–398 and Kitakami Pokédex No. 001–200 as well as certain other Pokémon are eligible to participate. Certain Pokémon may not be used.

Charmander
Charmeleon
Charizard
Raichu (Alolan Form)
Diglett (Alolan Form)
Dugtrio (Alolan Form)
Meowth (Alolan Form)
Meowth (Galarian Form)
Persian (Alolan Form)
Growlithe (Hisuian Form)
Arcanine (Hisuian Form)
Slowpoke (Galarian Form)
Slowbro (Galarian Form)
Grimer (Alolan Form)
Muk (Alolan Form)
Voltorb (Hisuian Form)
Electrode (Hisuian Form)
Tauros
Articuno
Articuno (Galarian Form)
Zapdos
Zapdos (Galarian Form)
Moltres
Moltres (Galarian Form)
Cyndaquil
Quilava
Typhlosion
Typhlosion (Hisuian Form)
Slowking (Galarian Form)
Qwilfish (Hisuian Form)
Sneasel (Hisuian Form)
Uxie
Mesprit
Azelf
Heatran
Cresselia
Oshawott
Dewott
Samurott
Samurott (Hisuian Form)
Lilligant (Hisuian Form)
Zorua (Hisuian Form)
Zoroark (Hisuian Form)
Braviary (Hisuian Form)
Tornadus (Incarnate Forme)
Tornadus (Therian Forme)
Thundurus (Incarnate Forme)
Thundurus (Therian Forme)
Landorus (Incarnate Forme)
Landorus (Therian Forme)
Chespin
Quilladin
Chesnaught
Fennekin
Braixen
Delphox
Froakie
Frogadier
Greninja
Carbink
Sliggoo (Hisuian Form)
Goodra (Hisuian Form)
Avalugg (Hisuian Form)
Rowlet
Dartrix
Decidueye
Decidueye (Hisuian Form)
Grookey
Thwackey
Rillaboom
Scorbunny
Raboot
Cinderace
Sobble
Drizzile
Inteleon
Perrserker
Kubfu
Urshifu (Single Strike Style)
Urshifu (Rapid Strike Style)
Regieleki
Regidrago
Glastrier
Spectrier
Wyrdeer
Kleavor
Ursaluna
Sneasler
Overqwil
Enamorus (Incarnate Forme)
Enamorus (Therian Forme)

Only Pokémon obtained in the Pokémon Scarlet or Pokémon Violet games—including those found in The Hidden Treasure of Area Zero Part 1: The Teal Mask—or those transferred from Pokémon HOME are eligible. Certain Pokémon may not be used.

Pokémon Levels

All Pokémon will automatically be set to Lv. 50 during battles.

Held Items

Duplicate held items are not allowed.

Timers

Total Time: 20 minutes
Player Time: 7 minutes
Preview Time: 90 seconds
Turn Time: 45 seconds

What Are Regulations?

Regulations define the rules followed by Trainers around the world during Ranked Battles and official Online Competitions. The same regulations are maintained for the duration of a regulation set. Look out for information on which regulation sets will be used for each Ranked Battles season and official Online Competition.

Any Nintendo Switch Online membership (sold separately) and Nintendo Account required for online features. Membership auto-renews after initial term at the then-current price unless canceled. Not available in all countries. Internet access required for online features. Terms apply.

Battle data and results will be provided to Nintendo Co., Ltd., and The Pokémon Company (and its subsidiaries).

Players engaging in the following activities may receive penalties and be restricted from participating in future online events.
• Use of unauthorized methods to alter game save data, use of Pokémon that have data altered via altering code, or use of Pokémon created via altering code
• Significantly large number of disconnects during battle, from when your opponent has been decided to when the match results have been fully sent to the server (please ensure a stable connection environment when connecting to the internet)
• Troubling behavior that could affect other participants or make others feel unpleasant
• Actions that would obstruct battles and operations, such as hacking
• Registering with incorrect information or impersonating another player
• Other actions that operation hosts determine to be inappropriate

Source: https://sv-news.pokemon.co.jp/en/page/127.html