Conservative South Korean lawmakers called Wednesday for a bipartisan “joint resolution” to address threats posed by North Korea’s new nuclear posture, which establishes the conditions for a preemptive strike against South Korea.

The DPRK’s Supreme People’s Assembly (SPA) passed the new nuclear law last week, updating the country’s nuclear command and control system to include “immediate” and “automatic” nuclear strike even when Kim Jong Un is not available to order it.

Chung Jin-suk, deputy speaker of the National Assembly and the new interim chief of the People Power Party (PPP), said the new law represents an “unprecedented security crisis”