mm glitchless

- Resetting the game is banned
- Time ends as soon as Majora's Wrath is damaged for the final time, starting the ending cutscene

Allowed Techniques:

- Power Crouch Stabbing (only works in the Japanese version)
- Roll invincibility
- Jumpslashing in mid-air for more distance
- Precise jumps and jumpslash recoils
- Shield dropping
- Inverted Camera Angle
- Quick Turnaround
- Finishing dungeons out of order
- Stunlocking Bosses
- Slashing your sword to keep from falling off a ledge
- Precise aiming with the bow or hookshot
- Avoiding cutscenes
- Falling into the water as Goron to reset an area
- Using Lens of Truth quickly to avoid draining magic
- Skipping the Moon's Tear
- Triggering the text at Woodfall while the temple is rising from the water
- Backflipping onto the door frame in Deku Palace
- Jumping to the from the lily pad to the log near the Song of Soaring
- Avoiding Pirate fights
- Throwing a Powder Keg over the fence in Ikana Castle

Banned Techniques:

- Skipping Bic Octo
- Recoil Flip
- Damage Boost
- Long Jump
- ISG
- Hovering
- Megaflip/Megasidehop
- Superslide/HESS/WESS
- Weirdshot
- Skipping cutscenes (by pause buffering, soaring away, playing SoDT, etc.)
- Gainer
- Seamwalking
- Goind Out of Bounds
- Clipping
- Time Stop
- A-Slide
- Z-Slide
- Ocarina/Bottle Dive
- Ocarina Items
- Zora Clip
- Flying Zora
- Bottle Dupe
- Bottle Adventure
- Ground Jump
- Song Storage
- Superswim

While many of the most obvious and useful glitches are listed here, several other glitches exist. If something questionable is not explicitly listed as allowed, it's probably banned.