def METHOD_NAME(self, inv_intra_line, statement_id=None):
    res = super(IntrastatStatementSaleSection4, self).METHOD_NAME(
        inv_intra_line, statement_id
    )
    # Period Ref
    ref_period = statement_id._get_period_ref()
    res.update(
        {
            "month": ref_period.get("month"),
            "quarterly": ref_period.get("quarterly"),
            "year_id": ref_period.get("year_id"),
            "invoice_number": inv_intra_line.invoice_number,
            "invoice_date": inv_intra_line.invoice_date,
            "supply_method": inv_intra_line.supply_method,
            "payment_method": inv_intra_line.payment_method,
            "country_payment_id": inv_intra_line.country_payment_id.id,
            "intrastat_custom_id": statement_id.intrastat_custom_id.id,
        }
    )
    return res