You'll need to make sure each template meets the minimum requirements. Otherwise you'll get an error message as you create them.
You must offer at least standard shipping for every template. Regions that have two-day delivery must also have standard shipping.
Reach: For the standard shipping option, shipping to all provinces is required.
Rates: For the standard shipping option, shipping rates must be the same for all provinces except for northern territories (Yukon, Northwest Territories, Nunavut).
Address: You may opt out of shipping to post office (P.O.) boxes, but shipping to street addresses is required. You cannot change the shipping rate based on the address type.
You must allow all address types within your settings.