Both	processes	have	their	own	specific	characteristics	in	their	various	phases:	registration	and	 classification	of	suppliers,	bidding	process,	execution	of	contracts,	monitoring	of	contractual	terms,	 and quality control, but both are guided by the same principles emanating from the corporate policies and the Code of Ethics, which are approved by the Company’s Board of Directors and are available at www.iberdrola.com. Acquisition of material and equipment and procurement of works and services Iberdrola placed orders with more than 17,990 suppliers during 2016.