How to Amend invoice field as B2CS as B2B in the next financial period

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Any error in declaration in B2CS table can be amended in next tax period through the amendment table, and invoices of past period can be furnished in next tax period return in b2b table.

B2CS summary of July for the rates available in the document needs to be sent as amendment under B2CSA. 
B2B invoice will be resubmitted as a normal invoice.