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Tax Engine Support (TES) supports clients during vendor selection and contractual negotiations about delivery terms & conditions. Besides, TES performs quality review during 'User Acceptance Testing' (UAT), and TES assesses whether the add-on meets all the delivery terms & conditions agreed with the software vendor.

When a client has purchased an SAP add-on, such a product must meet to avoid non-tax compliance and significant penalties the tax requirements, and the add-on's functionality should fulfill all the contractually terms & conditions:

  1. For example, when a vendor promises a vendor-independent solution, the bankruptcy of the vendor should not result that the add-on no longer becomes operational. That would conflict with a company's IT and risk policies.  Review whether that objective is met.

  2. When various country modules are purchased, the update of one country module may never result that the other country modules will stop working. Review whether that objective is met.

  3. Review the tax processes during R&D of the software vendor to assess whether the add-on purchased is and could remain tax compliant. What are the signing off procedures and which tax experts are involved, and when?

  4. Review whether the user- and implementation documentation of the add-on is understandable, and complete.

  5. Etcetera 


EDP audit, IT-risk management and internal controls

TES advises multinationals on IT-risk management and internal controls. An EDP auditor leads TES. He formerly worked as a director at the Big4.

TES operates under Chinese Walls and independent from KG. That independence ensures that TES will always work without any conflicts so that you will receive the best possible support. You can, therefore, be assured that TES operates solely in your best interests.


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What is an SAP add-on?

An SAP add-on enhances standard SAP itself.

Add-on components are extra functionalities that do not come with the main SAP product. Different organizations have different requirements. SAP has recognized that and facilitated that additional functionality can be added and that such functionality as a component can be integrated with Standard SAP.

An add-on is permitted by SAP – the code 'ABAP' is written and transported where SAP allows it. That means these add-on components sit above the core and access the same dictionary objects or repository objects and perform the required functionality. It contains custom authorization objects according to SAP standards.

SAP add-on solutions are, therefore, without an external interface or external software and can be implemented with minor or no SAP impact in any other area. An SAP add-on does not change the programming code of SAP. As a result, SAP upgrades do not lead to any problems, and maintenance is straightforward. Additional functionality is added to Standard SAP.