“Omnibus laws do not breach the principle of legal certainty per se. Indirect unconstitutionality on the grounds of basic State legislation infringement: Commentary on Constitutional Court’s Judgement 161/2019, of December 12, on appeal of unconstitutionality 878/2019 (BOE num. 10, of January 11, 2020)”, RCG, no. 108, pp. 377–396, Jun. 2020, doi: 10.33426/rcg/2020/108/1497.