Failed to provide taxi service under the license, utilizing
drivers holding valid taxi driver's licenses, within 120 days
of issuance or within six months after approval by the Township Council
of the application, whichever comes first, unless such failure was
caused by the unavailability of drivers holding valid taxi driver's
licenses, in which case the licensee shall be permitted one sixty-day
extension of the one-hundred-twenty-day period in which to provide
taxi services under the license, utilizing drivers holding valid taxi
driver's licenses. The sixty-day extension shall not extend the
six-month period;