Magical Regulation 572

{{Quote|Use Magical Regulation 572 Azul Marino ink ONLY|A sign instructing fifth years to follow the Magical Regulation 572 during their Theory of Charm O.W.L.]] Magical Regulation 572 is a rule issued by the British Ministry of Magic stating that the only ink to be used in examinations (such as Ordinary Wizarding Levels) is Azul Marino ink.

Appearances

 * Harry Potter and the Order of the Phoenix (film)