Except as otherwise provided by law, no person shall
engage in the business of transporting persons for hire in a vehicle
without first having obtained a license from the Board of Selectmen
authorizing him/her to engage in such business and designating the
number of such vehicles that may be used under such license. Such
license shall terminate automatically, if for a period of more than
thirty (30) days the holder thereof does not coincidentally hold one
(1) or more duly existing vehicle for hire permits.