Federal Responsibilty

n general, the federal Parliament has responsibility for policies and activities that affect the whole of Canada, such as banking, criminal law, national defence, and citizenship

Other areas of federal jurisdiction include: trade and commerce; direct and indirect taxation; currency; the postal service; the census and statistics; national defence; the federal civil service; navigation; fisheries; banking; copyright; Indigenous peoples and reserves;citizenship; marriage and divorce; criminal law; prisons; and interprovincial works.

https://www.thecanadianencyclopedia.ca/en/article/distribution-of-powers#:~:text=Other%20areas%20of%20federal%20jurisdiction,marriage%20and%20divorce%3B%20criminal%20law

https://www.constitutionalstudies.ca/2019/07/division-of-powers/?print=print#:~:text=For%20example%2C%20the%20federal%20list,defence%3B%20navigation%3B%20and%20copyright.