Why do government agencies needs to check if their drug/medicine to procure is included in the PNDF?

As stated in the of the Republic Act No. 9502 or the Universally Accessible Cheaper and Quality Medicines Act of 2008 and its Implementing Rules and Regulations Rule No. 36, “All government agencies, including local government units, shall procure drugs and medicines within the Philippine National Drug Formulary (PNDF) current edition in accordance with Republic Act 9184 and any other pertinent procurement reforms”.

Also, pursuant to Executive Order No. 49 of 1993 states that, “all government entities concerned are mandated to use the current PNDF (Volume I) as the basis for procurement of drug products”.tial medicines that are registered with Food and Drug Administration (FDA)