While furnishing the return in FORM GSTR-4, the assesse has to furnish the following details:-
(a) Invoice wise details of inter-State and intra-State inward supplies received from registered and unregistered persons
(b) Import of goods and services
(c) Consolidated details of outward supplies
(d) Debit and credit notes issued and received, if any
(e) TCS Credit received
(f) Consolidated statement of advances paid/adjusted
(g) Amendment of outward supplies furnished in earlier returns
(ICAI FAQ PUBLICATION 06-09-2017 -: Returns : FAQ NO. 18)