SECTION 1. Subsection (a) of section 222 of chapter 111 of the General Laws, as appearing in the 2014 Official Edition, is hereby amended by striking out the second sentence and inserting in place thereof the following:—

Participation in the program shall be required of coaches, trainers and parent volunteers for any extracurricular athletic activity; physicians and nurses who are employed by a school or school district or who volunteer to assist with an extracurricular athletic activity; school athletic directors; directors responsible for a school marching band; and a parent or legal guardian of a child who participates in an extracurricular athletic activity. The persons required to participate in the program under this subsection shall be required to take such program every 2 years; provided, however, if the department has made changes to the program since the prior year, such persons must participate in the updated program.