| Previous | Current | ||
|---|---|---|---|
| Changes to Effective Date | |||
| - | Monday, 14 January 2019 to Thursday, 31 January 2019 | + | Thursday, 31 January 2019 to Monday, 8 April 2019 |
| Changes to Owner | |||
| - | Insung Corporation | + | Jeongil Corporation |
| Changes to Operator | |||
| - | Insung Corporation | + | Jeongil Corporation |