190 mining companies suddenly slammed on the brakes. The Nickel Mining Association directly backed the authorities, and even the President called for clearing out illegal mines. To make money in Indonesia's mining sector, companies must first pass compliance checks. The turning point has truly arrived. On September 18th, the Directorate General of Minerals and Coal at the Indonesian Ministry of Energy and Mineral Resources suddenly dropped a bombshell, suspending 190 mining companies. In simple terms, there were two issues: either they had not paid enough reclamation guarantee deposits, or their RKAB (Work Plan and Budget for Mining Operations) was non-compliant. More critically, the Indonesian Nickel Mining Association directly came out in support of the enforcement, and this is not an isolated incident. As early as August 15th, Independence Day, President Prabowo stated in his parliamentary address that 1,063 illegal mining sites would be cleared. Regardless of your background, if you are involved in illegal mining, you will be investigated. • First point: Restoring key information. Let's talk about the core reasons for the suspension of these 190 companies. There are just two: either the reclamation guarantee deposit was insufficient, or the mine work plan was non-compliant. Some also exceeded production limits, meaning they mined more than approved. Among them, 39 are nickel mining companies, with 25 in Southeast Sulawesi Province and 6 in North Maluku Province. The rest are mostly coal companies. The condition for lifting the suspension is to pay the reclamation guarantee deposit and complete the required procedures. • Second point: The impact on projects, which is of greatest concern. Risk reassessment: in the short term, there will be disruptions to the production capacity and cash flow of non-compliant mines; in the medium to long term, reclamation guarantee deposits and mine work plans will become hard thresholds for entry. Market signal: the Indonesian Nickel Mining Association's public endorsement of the enforcement helps to open up ESG and green finance channels, reducing policy uncertainty and discounts. This is by no means a transient crackdown but a fundamental shift in Indonesia's mining policy. It is moving from an incremental expansion model of mining more and expanding more to a model of first achieving compliance and then improving quality. Now, whoever can clearly sort out the reclamation guarantee deposits, mine work plans, and the materials related to environment and community will gain an advantage in Indonesia's mining sector, securing lower-interest loans, finding more stable customers, and signing longer-term contracts. So don't just focus on the 190 companies being suspended. For long-term capital looking to enter, this is actually a good signal—the era of compliance has arrived.