Citrinate, thanks for the guide, for your help,... and your patience. I keep trying to get it :P
Could you explain why KSSN age should not exceed 17 years?
Because if you use a KSSN of age 18 or older then you have to verify that the KSSN is yours with further evidence that you cannot get unless the KSSN is actually yours and you live in Korea.
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