@utilities.arguments_not_none<EOL><INDENT>def set_currency_type(self, currency_type):<DEDENT>
self._currency_type = currency_type<EOL>
Sets the currency type.

        arg:    currency_type (osid.type.Type): the currency type
        raise:  NullArgument - ``currency_type`` is ``null``
        *compliance: mandatory -- This method must be implemented.*