Stand Alone Credit Memo, IC Reversal CM AR transactions are not picking for E-Invoicing

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Stand Alone Credit Memo, IC Reversal CM AR transactions are not picking for E-Invoicing

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Stand Alone Credit Memo, IC Reversal CM AR transactions are not picking for E-Invoicing even though we configured setups as per attached ppt. Tax invoice number, Tax Invoice date fields are grayed for Stand Alone Credit memo>Regional information in Header level.

Pls suggest the way to pick this transaction for e-invoicing.

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Enhancement Request / Service Request: