Both Solara roll formed and extruded louvered roof systems can be permitted.
Solara adjustable patio cover will supply a generic engineering that covers most scenarios in most types of weather that you can submit to your building official along with required drawing of your project.
Some cities, will accept Solara engineering over the counter, and some cities will ask to review it.
If your project is not following into Solara adjustable patio cover generic engineering, we can supply site specific with our engineer wet stamp that you can submit to your building official. (extra cost for site specific)