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The implementation of Good Agricultural Practices (GAPs) in developing countries, particularly Tanzania, requires strong government intervention to achieve sustainable agricultural outcomes in line with both national and international standards. Given the high costs and institutional demands associated with GAP implementation, the central–local government interface plays a critical role in facilitating, coordinating, and overseeing this process. This formal interface comprises key dimensions, including the transfer of authority, interaction channels, adherence to existing legislation, and resource-sharing mechanisms. However, limited understanding of how these institutional arrangements influence the effective implementation of GAPs has contributed to persistent inconsistencies and inefficiencies. This study investigated the extent to which Tanzania’s formal central–local government interactions affect GAP implementation. A total of 228 respondents were surveyed across Local Government Authorities in the Morogoro, Mbeya, and Shinyanga regions, and data were analysed using multiple linear regression. The results demonstrate that the transfer of authority (? = 0.124, p < 0.05), interaction channels (? = 0.540, p < 0.001), and resource-sharing mechanisms (? = 0.134, p < 0.001) significantly influence the implementation of GAPs. In contrast, adherence to existing laws and regulations showed no statistically significant effect (? = 0.018, p = 0.587). These findings underscore the importance of decentralised authority, effective intergovernmental communication, and coordinated resource allocation in strengthening agricultural governance. The study recommends more targeted policy reforms that empower local governments and foster institutional synergy to enhance GAP implementation, thereby contributing to Tanzania’s agricultural transformation and broader development objectives. It is therefore, the study reinforce the need for integrated governance as a pathway to achieving agricultural modernisation and food security goals in line with SDG 2.

This study investigates the effects of revenue enhancement plans (REPs) on revenue collection performance in Tanzanian local government authorities (LGAs), focusing on Mwanza City Council, Manyara Urban Council, and Mbeya City Council. The research adopts a mixed approach, collecting data from 400 respondents using a multistage sampling technique. The data were analyzed using a multivariate ordered probit model. The results reveal that reducing revenue leakage and improving revenue forecasting accuracy significantly enhance revenue collection performance. Specifically, the coefficient for revenue leakage was -1.221 for effectiveness (p<0.01) and -1.59 for increment (p<0.01), indicating a strong negative impact on performance. In contrast, accurate revenue forecasting positively impacted effectiveness (1.390, p<0.01) and increment (0.516, p<0.01). The model also showed that high implementation costs negatively impacted revenue growth (increment: -1.634, p<0.05). Compliance was found to positively influence reliability (1.533, p<0.01) and efficiency (1.029, p<0.01), underlining the importance of adherence to regulations. The results also highlighted the need for cost management strategies, as implementation costs and leakages hinder revenue growth and efficiency. The study recommends policy measures such as adopting digital solutions to reduce revenue leakages, investing in forecasting tools, and strengthening compliance mechanisms to optimize revenue collection and improve financial sustainability.