Ruleset will follow the current National Recommended Ruleset. Things that should be noted or things that are different are the following:

Top 64 is Best of 5.

Mid-set Coaching is not permitted.

Legal Omegas are Palutena's temple, Suzaku Castle, and Wily Castle.

MDSR is active (A player cannot pick the last stage they won on).

All controllers are legal except Gamepad.

Medium size Guest Miis of any move combination are legal. Anyone who plans on using miis must designate which mii they plan on using before the tournament begins. You may only use one configuration for each fighter throughout the entire tournament. If your opponent requests it, you must show them your move configuration before the match begins.

Anything else that isn't listed above can be found here: https://docs.google.com/document/d/1CFaeel_cVIImEZ7ZrIrb_fSva5H3tsN24yp2INyrVLE/edit