Not every hinge maker knows where the rules apply. The BIS Scope For Steel Butt Hinges tells you which products are covered by the standard. If your hinge falls inside this scope, you must follow the rules. To sell it legally, you need a BIS License For Steel Butt Hinges. This license is given after your factory and product pass the checks. Also keep an eye on the BIS QCO For Steel Butt Hinges. QCO means Quality Control Order. It is a government order that can make BIS marking compulsory for certain products. Foreign makers who want to sell in India can appoint a BIS Agent for Steel Butt Hinges, who works as their local contact in India. Following these rules keeps your business safe from penalties and builds buyer trust.