• Spanish Constitution of 1978, of 6 December
• Law 7/1985 of 2 April, regulating the Rules of the Local System
• Organic Law 10/1995 of 23 November, of the Penal Code
• Organic Law 3/2007 of 22 March, for the effective equality of women and men
• Organic Law 3/2018 of 5 December, on the protection of personal data and guarantee of digital rights
• Organic Law 8/2021 of 4 June, on the comprehensive protection of children and adolescents against violence
• Law 37/1992 of 28 December, on the Value Added Tax
• Law 29/1998 of 13 July, regulating Contentious-Administrative Jurisdiction
• Law 49/2002 of 23 December, on the tax regime for non-profit entities and tax incentives for patronage
• Law 58/2002 of 17 December, General Tax Law
• Law 35/2006 of 28 November, on Personal Income Tax and partial amendment of the Corporate Income Tax, Non-Resident Income Tax and Wealth Tax Laws
• Law 10/2010 of 28 April, on the prevention of money laundering and financing of terrorism
• Law 19/2013 of 9 December, on transparency, access to public information and good governance
• Law 27/2014 of 27 November, on the Corporate Income Tax
• Law 39/2015 of 1 October, on the Common Administrative Procedure of Public Administrations
• Royal Decree of 22 August, which publishes the Commercial Code
• Royal Decree 1270/2003 of 10 October, which approves the Regulations for the application of the tax regime for non-profit entities and tax incentives for patronage
• Royal Legislative Decree 2/2004 of 5 March, which approves the amended text of the Law Regulating Local Treasuries
• Royal Decree 1065/2007 of 27 July, which approves the General Regulations on tax management and inspection actions and procedures and on the development of the common rules for tax application procedures
• Royal Legislative Decree 2/2015 of 23 October, which approves the revised text of the Workers’ Statute Law
• Royal Legislative Decree 8/2015 of 30 October, which approves the revised text of the General Social Security Law
• Royal Decree 2/2021 of 12 January, which approves the Regulations for the implementation of Law 22/2015 of 20 July, on Account Auditing
• Royal Decree Law 1/2023 of 10 January, on urgent measures regarding incentives for labour hiring and improvement of the social protection of artists