Educational Decree Number One-Hundred and Thirty-Three

"Any unauthorised textbooks will be confiscated immediately from the offending student."

- The Decree

The Educational Decree Number One-Hundred and Thirty-Three was one of the Educational Decrees created by Dolores Umbridge, then-Headmistress of Hogwarts School. This Educational Decree gave Dolores Umbridge the power to confiscate any unauthorised books from students.

Behind the scenes

 * As the numbering for this Educational Decree is not consistent with the numbering established in Harry Potter and the Order of the Phoenix, it cannot be considered canonical.