15. In section 34 of the principal Act,
(a) in sub-section (1),
(i) for the words "Where a tax invoice has", the words "Where one or more tax invoices have" shall be substituted;
(ii) for the words "a credit note", the words "one or more credit notes for supplies made in a financial year" shall be substituted;
(b) in sub-section (3),
(i) for the words "Where a tax invoice has", the words "Where one or more tax invoices have" shall be substituted;
(ii) for the words "a debit note", the words "one or more debit notes for supplies made in a financial year" shall be substituted.