"Not another one!"
-- Minerva McGonagall (OP19)
Gave the Hogwarts High Inquisitor (Dolores Umbridge) “supreme authority” over all punishments at Hogwarts.
- Decree Twenty-five gave Umbridge the ability to overrule other teachers on matters of discipline (OP19)
- Umbridge went to Fudge to get more control after Dumbledore allowed the Gryffindor Quidditch team to reform after she disbanded it (OP19)
- Once Umbridge had the power to overrule both Dumbledore and McGonagall, she banned Harry and the Weasley Twins from playing Quidditch "ever again" after they fought with Draco Malfoy after a match (OP19).