It blamed Prime Minister Hwang Kyo An for fixing the documents related to Park's whereabouts at the time of the ferry Sewol disaster as document requiring 30 year-long protection.

Holding that such measure should be retracted as it lacks a legal ground, the Association called for opening to public the documents made or received at the "presidential" secretary, guards and security offices during the disaster.

It also urged the Archives to declassify the documents related to the agreement on the sexual slavery for the Japanese army and bearing of THAAD operation costs.