Censor board is a committee of several people who monitor the voilation of certain moral and religious or any other values.The committee has a responsibility to monitor writings and publications on politics, economy, social and religious issues. The members of censor board are employed by the government.The members of censor board are must have adequate knowledge about thier censoring field like movies and books of different themes,politics,educational or any religious values(http://www.freedomtoread.ca/censorship-in-canada/#.U9oqjbG9s_w) .There is a constitution defined by goverment whether to censor a data or idea.This set rules is called a license, this license can be changed only by the goverment.If the censor board find any speech,movie or book that violates the censorship license, then the board has the right to bann it completely or a part of it.If a book or other material has passed the censorship process then censor board issue a certificate to the owner of that material.So, this makes the public broadcast of that material possible(http://whoacanada.wordpress.com/tag/censorship-in-canada/).
There are many types of censorship like religious based censorship,moral censorship,ipolitical censorship,corporate censorship .in the same way, there different censor board for each of this fields.in canada every province has its own censor boards to censor any of the subjects (https://wikispaces.psu.edu/display/IST432TEAM19/Types+of+Censorship).
In canada everyone has the freedom of speech,freedom to write and many other rights.these rigths are one aspect of a coin, the second aspect of the coin is that the canadian citizens have certain