Document code:  PRO-0027.06  Security level:  Internal  Effective date:  15/01/2019  ICT Governance  o changes (including amendments), and  o closure.  • certifies correctness of invoices and supporting documents,  • follows-up consumption of the budget of the contract,  • provides input for preparation of contract documents (e.g. amendments and letters  to contractors),  • keeps the AO / AOD informed on the implementation of the contract and especially  of incidents or potential risks of a contractor not complying with contractual  obligations, • acts as contact person for the support centre (I0) and/or R1, and  • acts as contact person for the contractor.  • enterprise architecture and integration, • IT security, • business continuity, • ICT infrastructure capacity, • technology management, • ICT procurement, • release management  • process improvement (includes the Quality Assurance Officer function).  • preparation of Investment Visions, • preparation of PIDs, and  • Service Design for future evolution of the Service, for which a natural place and  time is when the service improvement activities are being planned in order to be  included as part of the next year(s) Programme Plans.  a) Enterprise Architecture lead in the Director’s staff TEM-0129.01  Uncontrolled copy once printed. Ensure that the right version is in use.  Page  72  of  92 The key entry point for engaging the IT Horizontal Functions are the two leaders of the key  functions:  IT Horizontal Functions must be involved in  All roles participating in creation of new IT Products and Services and changing them have  the responsibility to involve IT Horizontal Functions in the work. Examples of these roles  are Heads of Units, Programme Managers, Service Managers, Project Managers and  Change Managers.  The list above is neither exhaustive nor does it mean that each listed area has an assigned  function or specific person responsible for it. IT Horizontal Functions cover mostly non-functional areas that have potential to affect  work in any part of the directorate, for example  3.11. IT Horizontal Functions 