18. No association shall in the course of its business use any other name than that given to it in the memorandum of association unless it has changed its name by by-law in accordance with section 52, and in such case it shall use its new name only.
If the association has a French name and an English name or a name comprising a French version and an English version, it may be legally designated by its French name or the French version of such name or by both names or both versions.