 The first division's name is K3 League Advanced, while the second division's became K3 League Basic.In 2019, is the final season of K3 League Advanced and Basic as amateur league.However, before being revamped into the K3 League as a semi-professional league for the 2020 season, the former Korea National League and K3 League Advanced were absorbed into the third division and were rebranded as K3 League as 3rd-tier.