(a)providing for the safe custody of books, papers and documents [* * *] [The words "and also for the destruction of such books, paper and documents as need no longer be kept" repealed by Act 15 of 1917, Section 6 and Sch.];(aa)[ providing the manner in which and the safeguards subject to which the books may be kept in computer floppies or diskettes or in any other electronic form under sub-section (1) of section 16-A;] [Inserted by Act 48 of 2001, Section 9 (w.e.f. 24.9.2001).]