Section 13 of the Canadian Human Rights Act
Section 13 of the Canadian Human Rights Act was a provision of the Canadian Human Rights Act dealing with hate messages. The provision prohibited online communications which were "likely to expose a person or persons to hatred or contempt" on the basis of a prohibited ground of discrimination (such as race, national or ethnic origin, colour, religion, etc.).
Source: Wikipedia — Section 13 of the Canadian Human Rights Act (CC BY-SA 4.0)