To ensure optimum management of purchasing operations/suppliers, PPC: > has included a general clause in all tender notices to ensure that contractors and subcontractors comply with labour and social security law for their employees; the clause states that contracts will be terminated and contractors disqualified from future tender procedures if they repeatedly fail to comply with those requirements; this allows PPC to ensure that it collaborates with contractors who comply with labour law and have their employees insured in line with the relevant legislation, > is in ongoing contact with key suppliers to exchange views about the way the equipment procured is operating, and to transfer know-how to them, > keeps an updated register of accepted service and product suppliers, based on the quality evaluation and reliability of the services and products the suppliers offer, giving them incentives to improve and raise the overall standard of the market, > posts project and supply tender notices to its website to promote public dialogue in a fully transparent and objective manner.