Analysis of information sources in references of the Wikipedia article "2015年1月希臘議會選舉" in Chinese language version.
Article 51, Clause 5: The exercise of the right to vote is compulsory.
Article 117, Clause 1: The elector who unjustifiably does not vote is punished with imprisonment of [at least] one month and up to one year.
Article 117, Clause 1: The elector who unjustifiably does not vote is punished with imprisonment of [at least] one month and up to one year.
Article 51, Clause 5: The exercise of the right to vote is compulsory.