The 'Yellow Envelope Law', which came into effect recently, mandates main contractors to negotiate with subcontractor unions regarding labor conditions when they exert significant control over the subcontracted workforce. Following this law's implementation, seven main contractors, including major companies like POSCO and Hanwha Ocean, expressed their readiness to engage in negotiations with subcontractor unions, emphasizing industrial safety and workplace improvements as key issues on the agenda. This legal requirement marks a shift in labor relations, granting subcontractor unions the opportunity to voice their concerns directly to the employers who ultimately oversee their working conditions.

Lee Su-cheol, the head of the subcontractor union representing POSCO workers in Pohang, expressed optimism about the newfound opportunity for negotiations, hoping for a collaborative effort to ensure the safety rights of all workers in the steel mill. With the backing of the Korean Metal Workers' Union, the discussions are poised to address safety measures and welfare improvements, which have historically been neglected as subcontractors often lack direct influence over their precarious working environments. This initiative is a significant step towards empowering subcontracted workers in demanding better conditions and legitimizing their representation in labor discussions.

Additionally, other labor organizations, including the Democratic Labor Union, are also advocating for improvements in safety and welfare at subcontracting sites. The negotiations are expected to cover various topics, including enhancing safety facilities and the implementation of a five-day workweek. Overall, the successful negotiation outcomes could lead to historic changes in labor practices for subcontractor workers, potentially transforming how labor conditions are controlled and negotiated in the industrial sector.