“Nullity of the Spanish-state regulations on the administrative activities of the parliaments of the self-governing communities. Insufficient rank of the relevant Royal Decree.: Commentary on Constitutional Court’s Judgment 100/2019, of July 18. Positive conflict of competence num. 259-2019. (BOE num. 192, of 12 August 2019)” (2019) Journal of the Cortes Generales, (107), pp. 469–475. doi:10.33426/rcg/2019/107/1453.