What should be maintained to ensure the legality of traded drugs?

To ensure the legality of traded drugs, maintaining product tracing documentation is crucial. This documentation serves to track the distribution of pharmaceutical products from the manufacturer to the final consumer. It includes detailed records of each transaction, such as purchase orders, shipping invoices, and receiving records. This is vital for several reasons, such as ensuring compliance with regulatory requirements, enabling effective recalls in the event of safety issues, and preventing the distribution of counterfeit or diverted medications. Proper documentation not only supports accountability within the pharmaceutical supply chain but also protects public health by ensuring that drugs can be traced back through their distribution pathway. Therefore, having robust product tracing documentation is a key element in maintaining the legality and integrity of pharmaceutical transactions.