The Once-Only Principle: The TOOP Project
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This open access State-of-the-Art Survey describes and documents the developments and results of the Once-Only Principle Project (TOOP).
The Once-Only Principle (OOP) is part of the seven underlying principles of the eGovernment Action Plan 2016-2020. It aims to make the government more effective and to reduce administrative burdens by asking citizens and companies to provide certain standard information to the public authorities only once.
The project was horizontal and policy-driven with t...























