The documents posted on this Web site may contain hypertext links or pointers to information created and maintained by other public and private organisations. These links and pointers are provided for visitors' convenience. The British Standards Institution does not guarantee the accuracy, relevance, timeliness, or completeness of any linked information. Further, the inclusion of links or pointers to Web sites other than the BSI Group Website is not intended to assign importance to those sites and the information contained therein, nor is it intended to endorse, recommend, or favour any views expressed, or commercial products or services offered on these outside sites, or the organisations sponsoring the sites, by trade name, trademark, manufacture, or otherwise.
Reference in this Web site to any specific commercial products, processes, or services, or the use of any trade, firm or corporation name is for the information and convenience of the site's visitors, and does not constitute endorsement, recommendation, or favouring by the British Standards Institution.
The views and opinions of authors expressed herein do not necessarily state or reflect those of the British Standards Institution, and shall not be used for advertising or product endorsement purposes.