In the [1879 c. 11.] Bankers' Books Evidence Act 1879 (which provides for copies of entries in bankers' books to be receivable in evidence in legal proceedings), in section 10 (interpretation), at the end of the definition of " legal proceeding " there shall be inserted the words " and an application to, or an inquiry or other proceeding before, the Solicitors Disciplinary Tribunal or any body exercising functions in relation to solicitors in Scotland or Northern Ireland corresponding to the functions of that Tribunal ".