NC-17 and PG-13
That is not an official rating for the United States. The MPAA ratings for the U.S. are 'G', 'PG', 'PG-13', 'R', and 'NC-17'.
Double Dynamite - 1951 is rated/received certificates of: Finland:S Sweden:Btl UK:U USA:Approved (MPAA rating: certificate #13541)
The History of Mr- Polly - 1949 is rated/received certificates of: UK:U USA:Approved (MPAA rating: certificate #13191)
Valkyrie (2008) is rated PG-13 for violence and brief strong language by the MPAA.
Despicable Me (2010) is rated PG by the MPAA for rude humor and mild action.
Voluntary self-regulation by an industry
G, PG, PG-13,R and NC-17
The Insurgents - 2006 is rated/received certificates of: USA:R (MPAA rating)
No. The MPAA ratings are G, PG, PG-13, R, NC-17.
If you are referring to movie ratings such as the MPAA, Tangled was rated PG for brief mild violence.
That is not an official rating for the United States. The MPAA ratings for the U.S. are 'G', 'PG', 'PG-13', 'R', and 'NC-17'.
Born to Boogie - 1972 is rated/received certificates of: UK:U USA:Approved (MPAA # 23430)
At the Edge of the World - 2008 is rated/received certificates of: Australia:PG USA:PG (MPAA rating)
Seth - 2006 is rated/received certificates of: USA:PG-13 USA:PG-13 (MPAA rating)
Say Uncle - 2005 is rated/received certificates of: USA:R USA:R (MPAA rating)
Miracle - 2009 II is rated/received certificates of: USA:G USA:G (MPAA rating)
Godspell (1973) is rated G by the MPAA.