Fair dealing is a user right contained in the Copyright Act.
Fair dealing allows you to copy from a copyrighted work, without the copyright owner's permission, if the copy is for one these purposes:
However, that's not all. Even if your use falls under one of the exemptions, the use must still be deemed "fair".
Neither the Copyright Act, nor the decisions of the courts interpreting fair dealing set out exactly what is fair in any particular instance. One must consider all of the relevant factors, including:
This text was adapted from Copyright at UBC: Basics FAQ, licensed under Creative Commons Attribution Share-Alike 4.0 International Licence.