Because we live next door to the United States of America an...

Because we live next door to the United States of America and share some of their programming and commercials, most1 moviegoers in Ontario are probably more familiar with the American system than our home-grown one. However, our systems are very different.   Films and trailers are classified in the United States of America by the Rating Board of the Motion Picture Association4 of America (MPAA), located in Los Angeles.  This industry-sponsored Rating Board consists of 13 members who serve for varying periods of time.  There are no special qualifications for Board membership except for having a shared parenthood experience, an intelligent maturity, and an ability to put themselves in the role of most American parents. The Board is funded7 through fees charged to producers and distributors for the ratings of their films.   The MPAA Rating Board members, like those of the Ontario Film Review Board (OFRB), do not classify movies on personal judgements of quality.  Their judgements are based on specific guidelines in areas including theme, violence, language,10 nudity, sexuality, drug use, and others.  Like the OFRB, they consider the film in its entirety, and take context into account in classification decisions.    The first main area of difference between the Ontario classification system and the American one is that the OFRB is a13 government body established by statute that requires distributors to submit their films for classification.  In the United States of America, the rating system is a voluntary one that is administered by the movie industry through the MPAA.
Internet: <http://www.ofrb.gov.on.ca/english/page14.htm> (with adaptations).
Based on the text above, judge the following items.
In line 15, the term “one” refers to “rating system”.