Maybe I'm too simplistic, but souldn't the sidecar rules reflect the FIM rules governing racing sidecars like what t the Isle of Man, etc. ?
This is definition thing and some BODY as in santioning body-not somebody-as in a person with Solomon's wisdom ,or anybody's wisdom other than Pres Bush make the call.
Problem, an elephant is a MOUSE designed by a comittee.
I could be wrong, (Jack usually thinks so) but I could have sworn, as I stood on the long course starting line I saw, out of the corner of my eye, a two wheeled object with nothing more than what looked like my grandkid's skate board wheel on a thin left side boom, leave the starting line on the short course at WFs.
At least let's define sidecars where a monkey (sidecar language meaning human, not a ZOO creature-although knowing MC people for over 50 years, that could be interchangeable) can concievably ride them even if safety prohibits.