often occurs. Key components of this system are often complex and thus system development is often needed. The process starts from publication of items online by the suppliers, and continues to the electronic selection, order, reception, and finishes with payment by the purchasing side. e-Ordering Process of creating and approving purchasing requisition, both placing purchase orders and receiving goods and services ordered, while using a software system based on internet technology which greatly improves the supply chain performance. When talking about e-ordering, ordered goods and services are generally non-product related, in other words - indirect. In case of Enterprise Resources Planning (ERP) the goods and services ordered are product related. Both the supporting software system as well as ordering catalogue system are designed to be used by all employees of an organization. e-Invoicing E-Invoicing is any method by which an invoice is electronically presented to a customer for payment. In larger companies, accounts payable departments are responsible for the invoices to be approved, processed, and paid. e-Contract Management This type of management consists of management of receivables, payments, contract settlements, contract variations, performance securities, and auditing and control activities, and as opposed to its classical form, e-Contract Management is its electronic improvement. In the public sector E-procurement in the public sector is emerging internationally. Hence, initiatives have been implemented in Bangladesh, Mongolia, Ukraine, India, Singapore, Estonia, United Kingdom, United States, Malaysia, Indonesia, Australia, European Union. Public sector organizations use e-procurement for contracts to achieve benefits such as increased efficiency and cost savings (faster and cheaper) in government procurement and improved transparency (to reduce corruption) in procurement services. E-procurement in the public sector has seen rapid growth in recent years. Act 590 of Louisiana's 2008 Regular Legislative Session requires political subdivisions to make provisions for the receipt of electronic bids. E-procurement projects are often part of the country's general e-Government efforts to better serve its citizens and businesses in the digital economy. For example, Singapore's GeBIZ was implemented as one of the programmes under its e-Government masterplan. The Procurement G6 leads the use of e-procurement instruments in Public procurement. An example of successful reform is shown by Ukraine Prozorro. The result of collaboration between Ukrainian government, business sector, and civil society. This system was developed by the international anti-corruption organization, Transparency International Ukraine, with the help of volunteers, NGOs, business community and state bodies of Ukraine, the WNISEF fund, the EBRD