Applicability of Cost Accounting Rules to companies meeting financial thresholds, with specified industry and corporate exceptions. Rule 3 sets the Companies (Cost Accounting Records) Rules, 2011 applicability: they cover every company, including foreign companies, engaged in production, processing, manufacturing or mining if net worth exceeds five crores, or turnover exceeds twenty crores in the preceding financial year, or if their securities are listed or being listed; companies governed by a special Act are excluded, and activities/products covered by specified sectoral cost accounting rules (Bulk Drugs, Formulations, Fertilizers, Sugar, Industrial Alcohol, Electricity, Petroleum, Telecommunications) are carved out.