Royal Decree 664/1999 of April 23 on foreign investments. https://www.boe.es/buscar/doc.php?id=BOE-A-1999-9938

ORDER from the Ministry of the Economy of May 28, 2001, laying down the procedures applicable to foreign investment declarations and the liquidation of foreign investments, and the procedures for submitting annual reports and authorisation dossiers. https://www.boe.es/diario_boe/txt.php?id=BOE-A-2001-11164

Resolution from the Ministry of Economy and Competitiveness of July 27, 2016, on the Directorate General of International Trade and Investment, approving the foreign investment declaration forms when the person obliged to make a declaration is an investor or a company with foreign holdings, which replaces previous Resolutions on this matter. https://www.boe.es/diario_boe/txt.php?id=BOE-A-2016-7855.

Law 19/2003 of July 4 on the legal system governing the movement of capital and financial transactions abroad and on certain measures to prevent money laundering. https://www.boe.es/buscar/doc.php?id=BOE-A-2003-13471.

Royal Decree 1816/1991 on foreign financial transactions. https://www.boe.es/buscar/doc.php?id=BOE-A-1991-30763.