This is an Okayama Prefecture subsidy program that supports businesses in acquiring ISO 14001-equivalent Eco-Action 21 certification to promote environmental management practices. Small and medium-sized enterprises and microenterprises with business locations in Okayama Prefecture are eligible, with no specific industry restrictions. The subsidy covers a portion of costs associated with certification acquisition, including consulting fees, audit fees, and registration fees (exact subsidy rate and cap require verification). Eco-Action 21 certification acquisition is a key requirement, and applicants should be planning to obtain or have already obtained the certification. Adopting environmental management practices improves business performance while advancing regional sustainability goals, enhancing corporate image simultaneously.