If you are a Canadian charity operating outside of Canada you need to pay attention to whether there are sanctions relating to a particular country, business, organization, individual etc.  You can see an updated list of at the Consolidated Special Economic Measures Act Sanctions List and here is a list as of October 19, 2017.

There are different types of sanctions including: Arms Embargos, Asset Freezes, Export/Import Restrictions, Financial Prohibitions, and Technical Assistance Prohibitions.

You can find more information on the Global Affairs Canada (GAC) website dealing with sanctions.  

As GAC also notes:

While United Nations Act, Special Economic Measures Act and the Justice for Victims of Corrupt Foreign Officials Act are the primary laws by which Canada prohibits dealings with foreign countries, individuals or entities, measures authorized under other laws can add further restrictions. Travel restrictions can be imposed under the Immigration and Refugee Protection Act, exports can be restricted under the Export and Imports Permits Act, criminal measures can be applied to terrorist entities listed under the Criminal Code, and under the Freezing of Assets of Corrupt Foreign Officials Act, Canada may acquiesce to a demand by a country in turmoil to freeze the assets of certain of its government officials or politicians.