Great question — answering as the UphillTech team:
The text under an IMDb title lists some of the movie’s characteristics: Certificate (rating) , runtime, genre, and release date. Certificate is IMDb-speak for a movie’s rating. In addition, if you scroll down to the bottom of the Storyline section of a typical movie’s listing (arbitrarily chosen), you will see its articulated MPAA rating along with a link to view its corresponding rating in other countries (please also see IMDb ratings of other countries ). So why have “Passed”, “Accepted”, or nothing? The familiar MPAA ratings (G, PG, etc) were not around for the selections you are questioning. The Motion Picture Production Code , dated March 31, 1930, (aka The Hayes Code) was intended to...
Full answer by John: https://movies.stackexchange.com/a/65452 (CC BY-SA 3.0).
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