IANA has registered or modified the following region subtags:

AN
BQ
CW
MF
SX

IANA has also registered or modified the following script subtags:

Afak
Jurc
Mroo
Nshu
Shrd
Sind
Sora
Takr
Tang
Wole

Please see

http://www.iana.org/assignments/language-subtag-registry

http://www.iana.org/assignments/lang-subtags-templates/index.html

Best regards,

Amanda Baber
Internet Assigned Numbers Authority
ICANN