Penal rule of law (principle of specificity) principle of legal certainty; constitutionality of a rule that considers as a breach the violation of compulsory rules laid down by electoral act that is not a criminal offence : Commentary on the Constitutional Court Judgment 14/2021, of january 28. Concerning the question of unconstitutionality num. 1478-2020. (BOE num. 46, of february 23, 2021) . RCG [Internet]. 2021 Jun. 30 [cited 2026 Sep. 15];(110):509-1. Available from: https://revista.cortesgenerales.es/rcg/article/view/1585