“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, no. 110, pp. 509–519, Jun. 2021, doi: 10.33426/rcg/2021/110/1585.