The administration and processing of supplier invoices through the pharmacy computer system in order to certify invoices for Trust payment. To assist the hospital pharmacies and therefore the Trust to maintain correct stock levels of medicines by the provision of information from supplier invoices. To provide cover and support for other procurement business procedures. To ensure the efficient procurement of drugs by the resolution of discrepancies between external suppliers and hospital pharmacies. This requires negotiating skills to resolve sometimes difficult issues (including resolving threatened court action and account stoppages) The processing of external supplier invoices in a timely and efficient manner to ensure appropriate payment. To work under own initiative within policies and procedures set by Pharmacy and line manager. The certification and clearance of resolved invoices (both hard copies and electronic) through the pharmacy computer system. The team clear approximately 300-500 invoices per day. Liaison between external suppliers and the payments section to clear unpaid certified invoices.