Hunts must be inconspicuous, with victims unlikely to be missed; their remains must be disposed of and territory must be changed often.

Immortal Children are not to be crated. They are incapable of self control and a threat of exposure. This is the ultimate taboo and punishable by death for the child, creator, and those who defend the child and know of its existence. 

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Dealing with Children of the Moon, except for the purpose of extermination, is prohibited.

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False witness, regardless of intent, is punishable by death.

Hunting is forbidden in Volterra, the town of Volturi residence; their food is brought from outside, sometimes quite far away.

Attention should not be drawn and Vampires should not be noticed in open sunlight.

The creator is responsible for their newborn's behavior and teaching of the laws before they can be released on their own. By letting a newborn hunt conspicuously, the penalty will be death to both the newborn and its creator, even if the newborn is ignorant to the law.

Vampires' interaction with humans must not draw wide attention. If a human becomes aware of them, the vampire at fault would be responsible for silencing that human. This leads to two options: turning the human, or silencing them permanently.