62 In accordance with the Digital Agenda for Europe, e-invoicing by 2020 has to become the leading form of invoice exchange, while by 2016 the EU Member States are invited to set einvoicing as the mandatory part of procurement procedures. The EC has estimated that the introduction of e-invoicing in Europe would generate annual savings of 1 billion euro. Required Actions It is necessary to create the legal and technical environment for the widespread use of einvoicing options. With the introduction of electronic invoices in public administration, the focus should be put on preparation and processing of automatically processable invoices. To ensure that your invoices are being introduced globally, it is necessary to create cooperation forum with private sector actors and stakeholders (banks, accounting and financial system builders). It is necessary to agree on the standards to implement interoperable and international standards compliant appropriate solutions in the public and the private sectors. Public procurements and particularly electronic procurement system should be an example for e-invoicing systemic implementation in public administration. 5.4.6 Digitalisation and Availability of Cultural Heritage Cultural heritage availability to the public in the digital environment and preservation of digital cultural heritage is one of the most important tasks if the field of culture, as defined by UNESCO, the EU and Latvian development planning documents. Given the changes in knowledge building, publication, search and access paradigm, and that the opportunity to seek and receive information is one of the rights enshrined in the United Nations Universal Declaration of Human Rights, it is essential to ensure that the Latvian cultural heritage as widely as possible and freely should be available in the worldwide web. Digitisation of cultural resources is one of the most important aspects for the creation and development information society and knowledge-based economy; therefore, it is important to use the opportunities offered by ICT to promote culture availability, culture presence in the World Wide Web both promoting preservations and dissemination of cultural heritage to the general public, so to the needs of other departments, and stimulating the development of new products and services. As one of the key principles for information society defined in declaration of principles of World Summit for Information Society is access to information and knowledge, showing that the capacity of libraries, museums, archives and other cultural institutions should be strengthening in order to ensure the preservation of cultural heritage and free and fair access to information, as well as to maintain and strengthen cultural identity and cultural and linguistic diversity. WSIS Tunis Action Plan pledges to digitise cultural heritage for future generations and to develop standardised digital information preservation solutions. In autumn of 2011 the EC published a recommendation on the digitisation of cultural material, online accessibility and digital preservation, stating that the digitisation of cultural heritage remains one of the EU priorities, as reflected in the Digital Agenda for Europe. EU Member States are encouraged to digitise more materials available in memory institutions in order to ensure that in the context of cultural and creative content, Europe retains its leading position internationally, and as rationally as possible is using its wealthy cultural material. Required Actions information_society_development_guidelines_2014_2020.docx; Information Society Development Guidelines 2014-2020