Reorganization of Ministry, Sub-ministry, and Department Act, B.E. 2545 (2002).

This Act is provides for the establishment of 20 ministries and ministry-level government agencies as prescribed in Section 4, including: the Ministry of Agriculture and Cooperatives; the Ministry of Natural Resources and Environment; the Ministry of Energy; Ministry of Social Development and Human Security; the Ministry of Labour; and the Ministry of Public Health; etc.
The Ministry of Agriculture and Cooperatives shall have the powers and duties relating to agriculture; water sourcing and irrigation development; promotion and development of agriculturist and cooperative system, including production process and agricultural commodities; etc. The Ministry of Social Development and Human Security shall have the powers and duties relating to social development; creation of social fairness and equality; promotion and development of quality of life, human security, family institution, and communities; etc.