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). RCG. 2019;(107):469-475. doi:10.33426/rcg/2019/107/1453