Decreto-lei numero 403/86 de 03/12/1986. Aprova o Código do Registro Comercial. Diário da República I Série n. 278 de 03/12/1986 Página 3623

This decree-law approves the Commercial Registry Code, establishing the rules and procedures for registering commercial activities and entities in Portugal. It affects businesses, entrepreneurs, and public administration bodies involved in commercial registration, aiming to ensure legal certainty and transparency.