The London Bullion Market Association (LBMA) is the pre-eminent standard-setting body for the global wholesale market for precious metals. The mission of the LBMA is to ensure the highest levels of integrity, transparency and leadership for the global precious metals industry by setting standards and developing market services. The LBMA sets a list of rules for the requirement of large gold and silver bars. This set of rules is also known as the Good Delivery specification and includes the stipulations for weighing, packing and delivery. These are highly recognised standards worldwide and ensures that refiners continue maintaining high standards.