IIRC, years ago the Rasberry Rocket had to put "windows" in the side of their body to meet the rules. Like Stainless said, safety should override nit-picking.
FWWIW That being said, on the roadster I have now, in three years running, the shoulder belts had to have the length - routing changed three times to satisfy the inspector. And now a forth and hopefully last for the Hans.
Ron