(a) the class or classes of persons who shall be required to furnish the return in electronic form;
(b) the form and the manner in which the return in electronic form may be furnished;
(c) the documents, statements, receipts, certificates or audited reports which may not be furnished along with the return in electronic form but shall be produced before the Assessing Officer on demand;
(d) the computer resource or the electronic record to which the return in electronic form may be transmitted.