When was PD 1570 signed into law?

Presidential Decree No. 1570, known for establishing the National Health Insurance Program in the Philippines, was signed into law on June 11, 1978. This date is significant because it marks the formal initiation of a framework aimed at providing health care access to members of the workforce and their dependents.

The context of this decree is crucial in understanding its implications for healthcare policy and management in the Philippines at that time, addressing a pressing need for improved health insurance coverage. The other dates listed in the options do not align with the actual enactment of this important law, making June 11, 1978, the accurate historical reference.