Free as long as you didn't sign an agreement saying you'd be responsible for the cost of SAR. Such as breaking resort rules by going out of bounds[1].
It's really the same as the US (other than our states and cities acting more like corporations), it comes down to who gets dispatched: if it's the government you're fine, but oftentimes if you're near a resort, it comes down to whether dispatch thinks the resort staff, a government agency, or a volunteer group is better suited for the rescue. If it's the resort, you might've agreed to give them the legal right to claw back costs.