Section 1.  Chapter 90 of the General laws, as amended in chapter 155 of the acts of 2010, is amended by inserting after Section 13B, the following new section:-

                Section 13C.  A person, regardless of age, may not use a mobile telephone at any time while operating a motor vehicle on a public way in a school zone established by a city or town pursuant to section 2 of chapter 85.  This section does not apply to (i) a person using a wireless telephone for emergency purposes, including, but not limited to, law enforcement agency, health care provider, fire department, or other emergency services agency or entity or (ii) a law enforcement officer or operator of an emergency vehicle when performing the officer's or operator's official duties.