RT Journal Article A1 October Yohanes Sitompul A1 Fitri Yanni Dewi Siregar T1 Analysis of unlawful acts regarding claims and the unlawful installation of confiscation sign (study of decision number 966/Pdt.G/2024/PN Medan) JF Priviet Social Sciences Journal YR 2025 VO 5 IS 9 SP 330-340 DO 10.55942/pssj.v5i9.668 AB This study aims to analyze unlawful acts in claims and the unauthorized installation of Sita signs. This study focuses on Decision No. 966/Pdt. G/2024/PN Medan, which involves a dispute between the Plaintiff and the Defendant regarding land rights. In this case, the Defendant installed a sita sign without permission from the Plaintiff, resulting in loss and a violation of ownership rights. To address this issue, references are made to agrarian law theories and relevant regulations. Data were collected through interviews with landowners, lawyers, and government officials, legal document analysis, and observations at the dispute location. The obtained data were analyzed qualitatively to understand the legal practices occurring, and the results of the study indicate that the defendant’s actions can be categorized as unlawful acts in accordance with Article 1365 of the Civil Code, which regulates liability for losses arising from unlawful acts. K1 unlawful acts, seizure sign, agrarian law LK https://journal.privietlab.org/index.php/PSSJ/article/view/668 ER