Treason against the sect

Torture and dismemberment.

Deceiving Sabbat leaders

Burning or flaying

Failure to accomplish an important mission assigned by leaders

"Spite" punishment like loss of nose or ear

Failure to respond to a leader's call

Branding or mutilation

Murder of a fellow Sabbat member

Diablerie at the hand of the murdered victims pack.

Unsanctioned Monomancy

Diablerie at the hand of the murdered victims pack.

Revealing Sabbat secrets to those outside the sect

Wild Hunt and then death by fire.

Associating with Camarilla vampires

First offense - flogging
Second offense - death

Displays of cowardice

Blood Feast by own pack but usually left alive to atone

Refusing to participate in an Auctoritas Ritae

Blood Feast by own pack...
or worse...

Declining a valid challenge of Monomancy from another Sect member

Branding or mutilation at the very least.

Striking a vampire of greater station

Blinding or mutilation