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, Nevertheless for official documents in particular, the Internet has become a key resource. In this article, we have limited the citation of internet sources to government websites, whose reliability and stability is of a high level, except for two or three websites cited as source for peripheral detail, Note on internet sources : In academic work, the use of reliable and stable sources is indispensable

A. Appendix, Charter Road User's Charter NHS Patient's Charter HM Customs and Excise: Taxpayer's Charter HM Customs : Traveller's Charter Inland Revenue : Taxpayer's Charter Northern Ireland Child Support Agency Charter Court's Charter for Northern Ireland Social Security Agency, Charters issued before 1997 (Cabinet Office, 1997.