For you own peace of mind, you might give your gas utility a call for a free inspection. They will take a look at all gas appliances for proper operation. Nice service.
A quick call to your permit office will give you the correct answer. I’d verify to keep your insurance folks happy.
Remember the reason behind the permit. Safety. Those building codes are written from the blood of others. They are there for your protection.
Lots of well intentioned people, handymen or owners may make serious mistakes risking life safety. Permits help prevent this.