A business entity in a particular business area whose market share amounts to any of the following (excluding a business entity with annual sales or purchases of less than eight billion won in a particular business area) shall be presumed to be a market-dominant business entity: <Amended on Feb. 6, 2024>
1. A business entity's market share is at least 50/100;
2. The aggregate of the market shares of not more than three business entities is at least 75/100; in such cases, business entities whose market share is less than 10/100 shall be excluded.