Evaluating an AI Act Regulatory Sandbox Framework Against Pilot Cases: Towards a Methodologically Grounded Three-Round Process Framework

Authors

Annemae van de Hoef
University of Applied Sciences Utrecht image/svg+xml
Koen Smit
University of Applied Sciences Utrecht image/svg+xml
Sam Leewis
University of Applied Sciences Utrecht image/svg+xml
Duain Castro
University of Applied Sciences Utrecht image/svg+xml
Fabian Hartman
University of Applied Sciences Utrecht image/svg+xml
Juliana Todorova
University of Applied Sciences Utrecht image/svg+xml
Nick Kuiper
University of Applied Sciences Utrecht image/svg+xml

Synopsis

This research-in-progress paper advances out tentative AI Regulatory Sandbox Framework (AIRSF) in two directions. Empirically, it evaluates 46 pilot cases and with five workshops of Nordic national/regional AI ecosystems. Conceptually, it argues that the AI Act's dual objective of innovation and compliance can only be operationalised in a business-friendly manner if grounded in participatory, situation-adaptive method development with dispute resolution procedures on controversial issues. Earlier we have identified four methodological steps: stakeholder mapping, conflict surfacing, iterative KPI-building, institutionalised conflict resolution, and show their concrete design consequences for a three-round sandbox related sub-processes: (1) a revised use case and risk category definition procedures with company-paced entry; (2) multi-authority evaluation with agile guidance and co-ordination; (3) post-market surveillance options with iterative re-entry. Preliminary findings surface three structural challenges: entry friction for determining use case purpose,  borderline high-risk cases, capabilities altering the AI System design and purpose while in sandbox, and a post-market visibility gap in Round 3.

Author Biographies

Annemae van de Hoef, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: annemae.vandehoef@hu.nl

Koen Smit, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: koen.smit@hu.nl

Sam Leewis, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: sam.leewis@hu.nl

Duain Castro, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: duain.castro@hu.nl

Fabian Hartman, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: fabian.hartman@hu.nl

Juliana Todorova, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail:  juliana.todorova@hu.nl

Nick Kuiper, University of Applied Sciences Utrecht

Utrecht, the Netherlands. E-mail: nick.kuiper@hu.nl

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Published

June 5, 2026

License

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

van de Hoef, A., Smit, K., Leewis, S., Castro, D., Hartman, F., Todorova, J., & Kuiper, N. (2026). Evaluating an AI Act Regulatory Sandbox Framework Against Pilot Cases: Towards a Methodologically Grounded Three-Round Process Framework. In D. Vidmar, A. Pucihar, M. Kljajić Borštnar, R. W. H. Bons, M. Glowatz, & H.-D. Zimmermann (Eds.), & (Ed.), 39th Bled eConference: Co-Creating Human-Centred and Responsible Digital Futures; Conference Proceedings (Vols. 39., pp. 1069-1076). University of Maribor Press. https://doi.org/10.18690/um.fov.4.2026.71