What is the relevance of clause (2) of article 374 in this context?
The relevance of clause (2) of article 374 in this context is that it specifies the conditions under which a person who was holding office as a Chief Justice or other Judge of the Federal Court becomes a Judge of the Supreme Court upon its establishment. These conditions include continuing to receive their existing salary and receiving special pay equivalent to the difference between their previous salary and the salary specified for Judges of the Supreme Court.