This course includes an introduction to the pharmacopoeias with an emphasis on the USP-NF and Ph. Eur. Details of the content, organization and use of the pharmacopoeias will covered, along with regulatory considerations for excipients. The course reviews practical examples of compliance with compendial requirements, as published by the major pharmacopoeias, and concludes with an exploration of approaches to compendial surveillance, opportunities for advocacy, and ultimately, compliance with the requirements in the pharmacopoeias.