(c) except with the approval in writing of the Registrar, under a name that contains the words “Assurance”, “Bank”, “Chartered”, “Co-operative”, “Imperial”, “Insurance”, “Municipal”, “Royal”, “Trust”, “Trustee” or a word or abbreviation conveying a similar meaning, or any other word or abbreviation that in the opinion of the Registrar suggests or is calculated to suggest —
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(i) the patronage of Her Majesty or that of a member of the Royal Family;
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(ii) a connection with Her Majesty's Government or a department thereof; or
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(iii) a connection with a municipality or other local authority or with a society or body incorporated by Royal Charter.