The British Pharmacopoeia (BP) 2016 will see the introduction of a new, integrated website pharmacopoeia.com that will provide a single place to access the BP online and to order British Pharmacopoeia Chemical Reference Substances. The site will replace pharmacopoeia.co.uk and will feature more information and a new look with improved functionality and accessibility. This edition also sees the introduction of a download format for use offline. This replaces the USB, and has the benefit of being updated three times per year to harmonize with the European Pharmacopoeia. Updated annually, the BP is the only comprehensive collection of authoritative official standards for UK pharmaceutical substances and medicinal products. The BP 2016 includes almost 4,000 monographs which are legally enforced by the Human Medicines Regulations 2012, and becomes legally effective on 1 January 2016.