Spain SII - Invoices Received

type CreditNote {
  // ...all generic credit note fields
  invoiceRefs: string[],
  lines: [
    { 
      // ..other line item fields
      vat: {
        code: string;
        exemptReasonCode?: string;
      }
      customInfo: {
        itemType?: string;
      }
    }
  ];
  recipient: {
    // ...everything from invoice.recipient,
    // invoice.recipient.taxId can not have a ES country prefix for domestic transactions but it can for intra-EU or export transactions
    contact: {
      email?: string;
    }
    customInfo:{
      taxIdType: string
    }
   };
  customInfo: {
    esp: {
      rectificationType: string;
      fiscalYear?: string;
      settlementPeriod?: string;
      description?: string;
      invoiceType: string;
      taskType?: string;
      vatSchemeTypeCode: string;
			originalInvoiceDate?: string;
    }
  }
};