48. Records and accounts.

(a) dealer;
(b) person on whom a notice has been served to furnish returns under section 27 of this Act;
(a) every registered dealer shall preserve a copy of all tax invoices issued by him;
(b) every dealer shall preserve the original of all tax invoices received by him; and
(c) every person who has paid an amount of tax, interest, penalty or other amount owed under this Act, shall preserve a copy of the challan evidencing the making of the payment.
[49.