Design objective DO4: Audit
The tax authority should be able to audit the verification process of the online marketplace. Thus, it should be possible for the tax authority to confirm that the marketplace complies with the law and requests and verifies the tax registration of its retailers.
Source paper
This design objective is proposed by Designing a cross-organizational identity management system: Utilizing SSI for the certification of retailer attributes (Tobias Guggenberger, Daniela Kühne, Vincent Schlatt, Nils Urbach, 2023).