The DPRK refused access to the sites, after which, on 1 April 1993, the IAEA concluded that North Korea was in non-compliance with its Safeguards Agreement, and referred this to the UN Security Council.
North Korea was in non-compliance with its Safeguards Agreement. The DPRK refused access to the sites on 1 April 1993, the IAEA concluded this. This was after which. The DPRK refused access to the sites on 1 April 1993, the IAEA referred this to the UN Security Council. This was after which.