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Asserting Living Law through the Negative Function of Material Unlawfulness under Law Number 1 of 2023

Journal of Law and Legal Reform · Vol. 7 No. 4 (2026) · hlm. 2067–2100

DOI
10.15294/jllr.v7i4.47771
ISSN
2715-0968, 2715-0941
Terbit
2026-10-16
Penerbit
Faculty of Law, Universitas Negeri Semarang, Indonesia
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Indonesian criminal law reform through Law Number 1 of 2023 recognizes living law as a source of criminal law, as stipulated in Article 2 of the Criminal Code. This provision reflects the integration of the principles of formal and material legality and recognition of the constitutional rights of indigenous peoples. However, its implementation has been controversial, particularly because it emphasizes the positive nature of unlawfulness, while in practice, society still applies material unlawfulness in a negative function. Phenomena such as gresek/ngasak in Java and elopement in Lombok demonstrate the difference between the assessment of customary law and national criminal law regarding an act. Although existing studies have examined living law and the principle of material legality, a research gap remains in comprehensively examining the application of material unlawfulness in its negative function as a basis for excluding the unlawfulness of an act that formally constitutes a criminal offense under the Criminal Code but is not regarded as unlawful under the living law of the community. This study is among the first to examine the negative function of material unlawfulness under Article 2 of the Indonesian Criminal Code. This study uses a normative juridical method, with a qualitative approach, based on a literature review of primary and secondary legal materials. The results demonstrate the need to consider living law in society as a basis for assessing material unlawfulness. The doctrine of material unlawfulness in a negative function has been applied in Supreme Court jurisprudence, particularly in Decisions Number 42 K/Kr/1965 and Number 81 K/Kr/1973. In both cases, although the formal elements of the crime were met, the judges considered that the unlawful nature could be eliminated based on the principles of justice, unwritten law, and the concept of material justice, so that the perpetrators were not punished. In the development of judicial practice, this teaching tends to be ignored. Conversely, in the lives of rural communities in Batang and Banjarnegara, this principle remains alive, reflected in the practice of gresek/ngasak, which is seen as a form of social solidarity and is not considered an unlawful act.

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  • State University of Semarang
  • Novena University
  • National University of Malaysia
  • Padjadjaran University
  • National Defence University of Malaysia
  • Dhofar University
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Rekan penulisOrganisasiArtikel bersama
Anis WidyawatiState University of Semarang12
Indah Sri UtariState University of Semarang9
Riska AlkadriState University of Semarang7
Rasdi RasdiState University of Semarang7
Waspiah WaspiahState University of Semarang7
Muhammad Azil MaskurState University of Semarang7
Nadiyah Meyliana PutriState University of Semarang6
Sonny Saptoajie WicaksonoState University of Semarang6
Muhamad Sayuti HassanNational University of Malaysia5
Nurul FibriantiState University of Semarang5
Septhian Eka AdiyatmaState University of Semarang5
Bayangsari WedhatamiState University of Semarang5
Ngboawaji Daniel NteNovena University5
Muhammad Iqbal BaiquniState University of Semarang5
Riki JuliantoAfiliasi tidak diketahui5
Dian LatifianiState University of Semarang5
Chanidia Ari RahmayaniState University of Semarang5
Ahmad Zaharuddin Sani Ahmad SabriAfiliasi tidak diketahui5
Asyaffa Ridzqi AmandhaState University of Semarang5
Rodiyah RodiyahState University of Semarang5
Muhammad Wahyu Saiful HudaState University of Semarang4
Souad Ahmed EzzeroualiDhofar University4
Syaiful AminState University of Semarang3
R. Benny RiyantoState University of Semarang3
Layla Putri AulyaState University of Semarang3
Siti MursidahState University of Semarang3
Ricky Dermawan FauziState University of Semarang3
Rohadhatul AisyState University of Semarang3
Fadhel Arjuna AdindaPadjadjaran University3
Ngaboawaji Daniel NteNovena University3
Zaharuddin Sani Ahmah SabriNational Defence University of Malaysia3
Aprila NiravitaState University of Semarang3
Ali Masyhar MursyidState University of Semarang3
Diandra Preludio RamadaState University of Semarang3
Indung WijayantoState University of Semarang2

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/jllr/oai, pertama di-harvest 6 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc)
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	<dc:title xml:lang="en">Asserting Living Law through the Negative Function of Material Unlawfulness under Law Number 1 of 2023</dc:title>
	<dc:creator xml:lang="en">Wulandari, Cahya</dc:creator>
	<dc:creator xml:lang="en">Masyhar, Ali</dc:creator>
	<dc:creator xml:lang="en">Winarsih, Winarsih</dc:creator>
	<dc:creator xml:lang="en">Arifin, Ridwan</dc:creator>
	<dc:creator xml:lang="en">Al-Zwae, Mashaallah Othman Mohamed</dc:creator>
	<dc:subject xml:lang="en">Living Law</dc:subject>
	<dc:subject xml:lang="en">Criminal Code</dc:subject>
	<dc:subject xml:lang="en">Material Legality Principle</dc:subject>
	<dc:subject xml:lang="en">Criminal Law Reform</dc:subject>
	<dc:subject xml:lang="en">Substantive Unlawfulness</dc:subject>
	<dc:description xml:lang="en">Indonesian criminal law reform through Law Number 1 of 2023 recognizes living law as a source of criminal law, as stipulated in Article 2 of the Criminal Code. This provision reflects the integration of the principles of formal and material legality and recognition of the constitutional rights of indigenous peoples. However, its implementation has been controversial, particularly because it emphasizes the positive nature of unlawfulness, while in practice, society still applies material unlawfulness in a negative function. Phenomena such as gresek/ngasak in Java and elopement in Lombok demonstrate the difference between the assessment of customary law and national criminal law regarding an act. Although existing studies have examined living law and the principle of material legality, a research gap remains in comprehensively examining the application of material unlawfulness in its negative function as a basis for excluding the unlawfulness of an act that formally constitutes a criminal offense under the Criminal Code but is not regarded as unlawful under the living law of the community. This study is among the first to examine the negative function of material unlawfulness under Article 2 of the Indonesian Criminal Code. This study uses a normative juridical method, with a qualitative approach, based on a literature review of primary and secondary legal materials. The results demonstrate the need to consider living law in society as a basis for assessing material unlawfulness. The doctrine of material unlawfulness in a negative function has been applied in Supreme Court jurisprudence, particularly in Decisions Number 42 K/Kr/1965 and Number 81 K/Kr/1973. In both cases, although the formal elements of the crime were met, the judges considered that the unlawful nature could be eliminated based on the principles of justice, unwritten law, and the concept of material justice, so that the perpetrators were not punished. In the development of judicial practice, this teaching tends to be ignored. Conversely, in the lives of rural communities in Batang and Banjarnegara, this principle remains alive, reflected in the practice of gresek/ngasak, which is seen as a form of social solidarity and is not considered an unlawful act.</dc:description>
	<dc:publisher xml:lang="en">Faculty of Law, Universitas Negeri Semarang, Indonesia</dc:publisher>
	<dc:date>2026-10-16</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/jllr/article/view/47771</dc:identifier>
	<dc:identifier>10.15294/jllr.v7i4.47771</dc:identifier>
	<dc:source xml:lang="en">Journal of Law and Legal Reform; Vol. 7 No. 4 (2026): October, 2026 (In Press); 2067-2100</dc:source>
	<dc:source>2715-0968</dc:source>
	<dc:source>2715-0941</dc:source>
	<dc:source>10.15294/jllr.v7i4</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/jllr/article/view/47771/11737</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Cahya Wulandari, Ali Masyhar, Winarsih Winarsih, Ridwan Arifin, Mashaallah Othman Mohamed Al-Zwae (Author)</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
</oai_dc:dc>