BS OR BSI STANDARDS

These standards are developed and approved by experts of the British international standardization organization BSI Group, which prepares and publishes national and international standards for all fields of activities and services - product production, process management, service delivery or material delivery.

The British standards institute BSI - is incorporated by royal decree as the national standardization body for the United Kingdom.
It is a member of most international standardization commissions, in addition to the creation of BS and PAS national standards, it also participates in the creation of a large number of international ISO and IEC standards, the employees of this company are considered to be among the greatest experts in the world.
BS standards can be downloaded in secure .PDF format or ordered in print. Some of these BS standards are also available in the TC version - Tracked changes, this version compares the changes between the previous (i.e. already canceled) and the current (valid) edition of the standard.