Re non immigrant O based on marriage, do I need to apply for yearly extension in the same province where my wife’s blue book is registered (family home) or can I apply in another province where we are residing? TIA
TLDR : Answer Summary
You must apply for your yearly extension at the immigration office that serves the address where you are actually residing, not necessarily where your wife's blue book is registered. This is important as there may also be home visits or interviews conducted by immigration offices depending on the location.