(1)

A registered person supplying taxable goods shall, before or at the time of,-

(2)

A registered person supplying taxable services shall, before or after the provision of service but within a prescribed period, issue a tax invoice, showing the description, value, tax charged thereon and such other particulars as may be prescribed :

Provided that the Government may, on the recommendations of the Council, by notification and subject to such conditions as may be mentioned therein, specify the categories of services in respect of which-

(3)

Notwithstanding anything contained in sub-sections (1) and (2)-

(4)

In case of continuous supply of goods, where successive statements of accounts or successive payments are involved, the invoice shall be issued before or at the time each such statement is issued or, as the case may be, each such payment is received.

(5)

Subject to the provisions of clause (d) of sub-section (3), in case of continuous supply of services,-

(6)

In a case where the supply of services ceases under a contract before the completion of the supply, the invoice shall be issued at the time when the supply ceases and such invoice shall be issued to the extent of the supply made before such cessation.

(7)

Notwithstanding anything contained in sub-section (1), where the goods being sent or taken on approval for sale or return are removed before the supply takes place, the invoice shall be issued before or at the time of supply or six months from the date of removal, whichever is earlier.

Explanation.—For the purposes of this section, the expression "tax invoice " shall include any revised invoice issued by the supplier in respect of a supply made earlier.