LCLC is an unofficial group assigning 3 character codes to languages. We might one day be considered "official". Currently a few codes have been assigned. You can not apply for LGLC codes. You have to request them in T2 Internationals (email@t2intrn.com) support email.
CODES
Finnish - fin
Japanese - jap
English - eng
French - fre
German - deu
Anglicia - ang
Esperanto - esp
Russian - rus
Belarusian - bru
Swedish - swe
Norwegian - nor
Danish - dan
Dutch - dut
Belgian - belg
We are not connected to ISO 639.