Yes, Canadian tax residents have serious obligations, as do US citizens (no matter where they live)!

LPs on the other hand, do not _if_ there is no economic activity in Canada and there's a tax treaty at play with the founding partner jurisdiction. Canada doesn't have the authority to tax foreign owned businesses unless they participate in the Canadian economy.

Eg: Your international entities can route money through a Canadian LP that is owned by your Barbados corporation. In this scenario there's no Canadian tax obligation and the money trail becomes harder to follow due to Canada's privacy laws (your company name might not be on your LP documentation). Your company does, of course, have to settle up the tax obligation with Barbados.

Only for Americans.