Scott Jones
Mike,
Jordan is the Chief Referee for the Banana Belt series and is trying to
communicate issues. That being said, here are the pertinent rules regarding
placement of #'s
8.2 Technical requirements
Numbers will be block figures and will be easily read at a distance.
They will be black figures on a white background. Riders will place
their numbers according to the instructions of the officials and/or
race organizer.
and
8.5.2 Two number requirement
In road competitions on public roads, with the exception of
criteriums, riders shall wear two numbers. One shall be on the on
the lower left back facing the rear of the rider. Riders with
temporary numbers shall be exempted from this rule. Penalty may
be a relegation of 5 spots from the rider