facility to amend the Tax Invoice from B2CL B2C Large to B2B in GST Portal - Goods and Services Tax - GST

Dear Experts, Greetings for the day! I draw your attention to the following. Issue-1 1.Tax Invoice E Invoice dated 02.04.2024 2.Buyer GSTN did not furnish in GSTR-1 Inadvertently and reported as B2C. 3.GSTIN status to be amended from B2C to B2B to get credit of GST ITC in Buyer GSTR 2A . 4. Help desk Resolution : Dear taxpayer, please be informed that ,You cannot amend the invoice from B2C to B2B. System will not allow you to amend the invoice from one type to another, as per advisory time limit for reporting invoices to the IRP's is 30 days, it is not acceptable after 30 days and you will get an error of IRN cannot be generated for documents older than 30 days. 5.Therefore, please suggest for further course of action OR remedy available for enabling Buyer to get credit of GST ITC in Buyer GSTR 2A . Issue-2 Does GSTIN portal has facility to amend the Tax Invoice from B2CL [B2C Large] to B2B -Inter state Transaction? Best Regards:Lakshmipati 9618904545