Purpose: The purpose of this research is to determine the legal arrangements for the circulation of agricultural commodities from the perspective of state revenue and how the implementation, obstacle factors, and law enforcement solutions for the circulation of agricultural commodities from the perspective of state revenue. Methodology: The research method of this journal is normative juridical (legal research) through a literature study with an empirical juridical approach (sociological juridical) through a field study that aims to empirically obtain legal knowledge. Result: The results showed that the legal regulation of the circulation of agricultural commodities from the perspective of state revenue, namely Article 86, regulates the act of entering the carrier media by not completing the health certificate, through the place of entry determined by the Central Government, or not reporting or not submitting the Carrier Media as regulated in Article 33 of Law Number 21 of 2019.   Conclusion: The enforcement of residence permit regulations by the Immigration Office has contributed to upholding national sovereignty and legal order. Despite obstacles, consistent legal enforcement and inter-institutional synergy strengthen the effectiveness of immigration supervision. Limitations: This study is limited to one immigration office and may not reflect the broader national immigration enforcement landscape. Contribution: This research provides insight into practical implementation of immigration law at the regional level and offers recommendations for strengthening law enforcement mechanisms against residence permit violations by foreign nationals.

Purpose: The purpose of this study was to determine the legal arrangements for the place of entry and release of animal and plant quarantine carrier media, and the factors, constraints, solutions, and implementation of the place of entry and release of animal and plant quarantine carrier media. Methodology: The research method of this thesis is normative juridical (legal research) through a literature study with an empirical juridical approach (sociological juridical) through field studies aimed at empirically obtaining legal knowledge. Results: Quarantine entry and exit regulations are based on Articles 86 and 87 of Law No. 21 of 2019. The Batam Quarantine Center shows strong biosecurity efforts despite challenges in resources and coordination. Solutions include technology use, staff training, and improved collaboration. Conclusions: The enforcement of quarantine entry and exit points in Batam reflects Indonesia’s strong commitment to biological security. Despite logistical and human resource challenges, legal compliance is improved through regulatory reforms, stakeholder collaboration, and continuous system evaluations. These measures collectively strengthen the country’s quarantine system and environmental protection. Limitation: This study is geographically limited to Batam City and relies primarily on qualitative analysis, which may not reflect broader implementation challenges across other regions in Indonesia. Contribution: This study contributes to the development of quarantine law enforcement strategies and provides practical insights for policymakers and quarantine agencies to strengthen institutional coordination, improve resource allocation, and enhance the effectiveness of biosecurity at entry-exit points.

Purpose: This study aimed to determine the effect of the marketing mix (Product, Price, Promotion, and Place) on consumer satisfaction at Rumah Bibit Pare, a business specializing in horticultural plant seeds. Methodology/Approach: This research uses a quantitative descriptive approach with data collected through questionnaires, interviews, observations, and documentation. Data analysis was performed using multiple linear regression analysis. Results/Findings: The product had a positive effect on consumer satisfaction. Price has a positive effect on consumer satisfaction. Place does not positively affect consumer satisfaction. Promotions do not have a positive effect on consumer satisfaction. The combination of Product, Price, Place, and Promotion has a positive effect on consumer satisfaction. Conclusions: The study concludes that Product and Price are significant factors influencing consumer satisfaction at Rumah Bibit Pare, while Place and Promotion do not show a significant effect. The marketing mix variables positively affect consumer satisfaction. Limitations: This study is limited by its focus on Rumah Bibit Pare and may not be generalizable to other businesses in the horticultural seed industry. Contribution: This research provides practical insights for businesses in the horticultural sector to optimize their marketing strategies, particularly focusing on Product and Price to enhance consumer satisfaction.