RA 10640 mainly amends which existing regulation?

RA 10640 primarily amends the Comprehensive Dangerous Drugs Act of 2002. This law focuses on refining and enhancing the regulatory framework surrounding dangerous drugs in the Philippines. It introduces important amendments aimed at improving the implementation of drug-related policies, enhancing the protection of public health, and ensuring more stringent measures against drug-related offenses.

By focusing on the Comprehensive Dangerous Drugs Act of 2002, RA 10640 aims to address gaps and issues that may have arisen since the original law was enacted, ensuring that law enforcement agencies have the necessary tools and guidelines to effectively combat illegal drug issues while also considering the health implications for users and society. The amendments reflect ongoing developments in drug policy, public health, and the legal system, making this the correct connection for the question asked.