What books/records must be maintained by such professionals?

What books/records must be maintained by such professionals?

Following records must be maintained by professionals:-

  1. Cash Book
  2. Journal if the accounts are maintained as per mercantile system
  3. Ledger
  4. Carbon copy of bills or receipts where sum exceeds Rs.25/=. All receipts/ bills must be serial numbered.
  5. All bills, receipts and vouchers in respect of payment of expenditure etc.