Among the great variety of issues associated with primary collection of information, a special emphasis can be placed on the automatic identification (recognition and differentiation) of heterogeneous objects (products, equipment, luggage, documents, etc.). Its solution involves the following steps: identifier (number or code) assignment for each specific subject, application of a special label containing the identifier, these special label data reading off by a digital device and digitization of the data. 

Dingbats, magnetic stickers, electronic and radiofrequency tags can be used as identifiers. All of them are designed for the automatic identification and can be applied in various areas, however a dingbat remains the most popular barcode. 

A barcode and modern packaging are two inseparable elements that accompany any product, which is worthy of being referred to as an item of goods. The outlets, retail chain stores and supermarkets in particular place very high demands on print quality and bar code application on the package and labels. This occurs mainly due to the use of modern means of inventory control automation, movement of goods and barcode technology-based sale. 

To obtain a bar code, one shall fill in an application for the development of master files.