“Royal Decree-Laws Limits. The ‘extraordinary and Urgent Need’ Requirement. Royal Decree-Laws Legitimacy to Regulate Regulatory Matters. Tax Laws Amendments by Royal Decree-Laws. : Commentary on the Constitutional Court Judgment 14 2020, of January 28. Concerning Action of Unconstitutionality Num. 2208-2019. (BOE Num. 52, of February 29, 2020)”. 2020. Journal of the Cortes Generales, no. 109 (December): 599-612. https://doi.org/10.33426/rcg/2020/109/1541.