Article 57 of the Shadow Proclamation

Article 57 of the Shadow Proclamation was a subsection of the Shadow Proclamation. This article prohibited the destruction of a fully established Level 5 planet such as the Earth if no hostile actions were implemented by the planet.

The Eleventh Doctor ordered the Atraxi to return to Earth after they decided the destruction of the planet in order to kill Prisoner Zero referring to this article. (TV: The Eleventh Hour)

The Yeamorg Warriors were collected by the Shadow Proclamation for breach of Article 57. (COMIC: Finders Keepers)

Behind the scenes
Subsection 12 of this article (Juristiction of the Celestial Intervention Agency) referred to the restriction of access to details concerning certain Space/Time events, some of which included the actions of the Doctor. (REF: TARDIS Type 40 Instruction Manual)