Generally when 'USA' doesn't have requirements, it's because those things are handled at the state and local level, not because they don't exist at all. Buildin

Generally when 'USA' doesn't have requirements, it's because those things are handled at the state and local level, not because they don't exist at all. Building codes are generally hyperlocal. This isn't even a concept that would make sense to exist at the federal level with how the US is setup.