Abstract
<jats:p>Resolution 87/2024 issued by the National Secretariat of Commerce modified the operational logic of payment mechanisms and revived the controversy over whether consumers or users are required to show their ID when making in-person purchases. The main focus of this article is to determine whether, under the coexistence of this resolution alongside the National Credit Card Law (Law 25,065) and Law 15,531 of the Province of Buenos Aires, such obligation for in-person identification by the vendor still persists. From this starting point, the current regulatory framework in Argentina is examined, analyzing the context in which the resolution was enacted and the interpretative conflicts arising from its ambiguous and lax drafting. Furthermore, the emerging doctrinal debate regarding the display of the identity document is addressed through a critical and personal analysis, integrating the perspectives of tax law, daily commercial practice, and the disruption of NFC payments. Finally, a comparative law analysis is incorporated to observe international practices on the matter, reaching a conclusion that proposes the advancement of law alongside technology, ensuring that validation controls do not affect consumers' sensitive information and allow for the development of a modern and agile payment ecosystem in Argentina.</jats:p>