The main function of …………is to provide information required by law.

Labelling

The correct answer is option 2- Labelling.

The main function of labelling is to provide information required by law.

Providing Information Required by Law: An important function of labeling is to provide information required by law. For example, the statutory warning on the package of Cigarette or Pan Masala, ‘Smoking is Injurious to Health’ or ‘Chewing Tobacco is Injurious to Health’. Such information is required on processed foods, drugs and tobacco products. In case of hazardous or poisonous material, appropriate safety-warning need to be put on the label.