National governments play a critical role in the implementation of international cancer regulations by: - Adapting International Guidelines: Tailoring international guidelines to fit the specific needs and context of their country. - Funding and Resources: Allocating funds and resources to support cancer control programs. - Monitoring and Evaluation: Establishing systems for monitoring and evaluating the effectiveness of cancer control measures. - Public Awareness: Conducting public awareness campaigns to educate citizens about cancer prevention and early detection.