The UNON Procurement Section undertakes the procurement of goods, services and/or works for UNON, UNEP, UN-Habitat and their respective Offices Away from Headquarters (OAHs). The Procurement Section is also responsible for registering vendors. Procurement adheres to the Financial Regulations 5.12 and Financial Rules 105.03 105.19, as well as the Procurement Manual. See latest version of the Procurement Manual as well as the Financial Regulations and Rules under its own headings. Financial Regulation 5.12 Procurement functions include all actions necessary for the acquisition, by purchase or lease, of property, including products and real property, and of services, including works. The following procurement principles shall be given due consideration when exercising the procurement functions of the United Nations: Best Value for Money; Fairness, integrity and transparency; Effective international competition; The interest of the United Nations Organization.