a copy of an invoice attached with a notice in Form 4. 1 Published in the Gazette of India, Extra., Part II, Sec.3, No. 828 (E), dated 30th Nov., 2016 (w.e.f. 01.12.2016).
(2)
The demand notice or the copy of the invoice demanding payment referred to in sub- section (2) of section 8 of the Code, may be delivered to the corporate debtor,
(a)
at the registered office by hand, registered post or speed post with acknowledgement due; or
(b)
by electronic mail service to a whole time director or designated partner or key managerial personnel, if any, of the corporate debtor.
(3)
A copy of demand notice or invoice demanding payment served under this rule by an operational creditor shall also be filed with an information utility, if any.