# XRechnung 3.0.2 Mapping

## Overview

This document describes the complete field mapping flow for XRechnung 3.0.2 CII (Cross-Industry Invoice) format.

## 1. CII XML Structure

XRechnung CII uses UN/CEFACT Cross-Industry Invoice format with these namespaces:

| Prefix | Namespace                                                                            | Purpose           |
| ------ | ------------------------------------------------------------------------------------ | ----------------- |
| `rsm`  | `urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100`                       | Root container    |
| `ram`  | `urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100` | Business entities |
| `qdt`  | `urn:un:unece:uncefact:data:standard:QualifiedDataType:100`                          | Qualified types   |
| `udt`  | `urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100`                        | Unqualified types |

**Classification URN**: `urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0.2`

## 2. CII XML → DocBits Field Extraction

### Header Fields

| CII XML Path                                                | DocBits Field     | Data Type       |
| ----------------------------------------------------------- | ----------------- | --------------- |
| `ExchangedDocument/ID`                                      | `invoice_id`      | String          |
| `ExchangedDocument/TypeCode`                                | `invoice_type`    | String          |
| `ExchangedDocument/IssueDateTime/DateTimeString`            | `invoice_date`    | Date (YYYYMMDD) |
| `ApplicableHeaderTradeAgreement/BuyerReference`             | `buyer_reference` | String          |
| `BuyerOrderReferencedDocument/IssuerAssignedID`             | `purchase_order`  | String          |
| `ActualDeliverySupplyChainEvent/.../DateTimeString`         | `ship_date`       | Date            |
| `SpecifiedTradePaymentTerms/DueDateDateTime/DateTimeString` | `due_date`        | Date            |
| `ApplicableHeaderTradeSettlement/InvoiceCurrencyCode`       | `currency`        | String          |

### Supplier Fields

| CII XML Path                                       | DocBits Field          |
| -------------------------------------------------- | ---------------------- |
| `SellerTradeParty/ID`                              | `supplier_id`          |
| `SellerTradeParty/Name`                            | `supplier_name`        |
| `SellerTradeParty/PostalTradeAddress/LineOne`      | `supplier_address`     |
| `SellerTradeParty/PostalTradeAddress/CityName`     | `supplier_city`        |
| `SellerTradeParty/PostalTradeAddress/PostcodeCode` | `supplier_postal_code` |
| `SellerTradeParty/PostalTradeAddress/CountryID`    | `supplier_country`     |
| `SellerTradeParty/SpecifiedTaxRegistration/ID`     | `supplier_vat`         |
| `PayeePartyCreditorFinancialAccount/IBANID`        | `iban`                 |
| `PayeeSpecifiedCreditorFinancialInstitution/BICID` | `bic`                  |

### Customer Fields

| CII XML Path                                  | DocBits Field      |
| --------------------------------------------- | ------------------ |
| `BuyerTradeParty/ID`                          | `customer_id`      |
| `BuyerTradeParty/Name`                        | `customer_name`    |
| `BuyerTradeParty/PostalTradeAddress/LineOne`  | `customer_address` |
| `BuyerTradeParty/SpecifiedTaxRegistration/ID` | `customer_vat`     |

### Amount Fields

| CII XML Path                                                          | DocBits Field    |
| --------------------------------------------------------------------- | ---------------- |
| `SpecifiedTradeSettlementHeaderMonetarySummation/TaxBasisTotalAmount` | `net_amount`     |
| `SpecifiedTradeSettlementHeaderMonetarySummation/TaxTotalAmount`      | `tax_amount`     |
| `SpecifiedTradeSettlementHeaderMonetarySummation/GrandTotalAmount`    | `total_amount`   |
| `ApplicableTradeTax/RateApplicablePercent`                            | `tax_rate`       |
| `ApplicableTradeTax/BasisAmount`                                      | `taxable_amount` |

### Line Item Fields

| CII XML Path                                                    | DocBits Table Column |
| --------------------------------------------------------------- | -------------------- |
| `AssociatedDocumentLineDocument/LineID`                         | `POSITION`           |
| `SpecifiedTradeProduct/GlobalID`                                | `ITEM_NUMBER`        |
| `SpecifiedTradeProduct/Name`                                    | `DESCRIPTION`        |
| `SpecifiedTradeProduct/SellerAssignedID`                        | `SELLER_ITEM_ID`     |
| `SpecifiedTradeProduct/BuyerAssignedID`                         | `BUYER_ITEM_ID`      |
| `SpecifiedLineTradeDelivery/BilledQuantity`                     | `QUANTITY`           |
| `BilledQuantity/@unitCode`                                      | `UNIT`               |
| `NetPriceProductTradePrice/ChargeAmount`                        | `UNIT_PRICE`         |
| `SpecifiedTradeSettlementLineMonetarySummation/LineTotalAmount` | `TOTAL_AMOUNT`       |
| `ApplicableTradeTax/RateApplicablePercent`                      | `VAT_RATE`           |
| `ApplicableTradeTax/CategoryCode`                               | `VAT_CATEGORY`       |

## 3. DocBits → Infor BOD Export (SyncSupplierInvoice)

### Header Mapping

| DocBits Field    | BOD XML Path                                                                             |
| ---------------- | ---------------------------------------------------------------------------------------- |
| `INVOICE_NUMBER` | `DataArea/SupplierInvoice/SupplierInvoiceHeader/DocumentID/ID`                           |
| `INVOICE_DATE`   | `DataArea/SupplierInvoice/SupplierInvoiceHeader/DocumentDateTime`                        |
| `VENDOR_ID`      | `DataArea/SupplierInvoice/SupplierInvoiceHeader/SupplierParty/PartyIDs/ID`               |
| `VENDOR_NAME`    | `DataArea/SupplierInvoice/SupplierInvoiceHeader/SupplierParty/Name`                      |
| `TOTAL_AMOUNT`   | `DataArea/SupplierInvoice/SupplierInvoiceHeader/TotalAmount`                             |
| `NET_AMOUNT`     | `DataArea/SupplierInvoice/SupplierInvoiceHeader/ExtendedBaseAmount`                      |
| `TAX_AMOUNT`     | (Calculated from ExtendedAmount - ExtendedBaseAmount)                                    |
| `CURRENCY`       | `DataArea/SupplierInvoice/SupplierInvoiceHeader/CurrencyExchangeRate/SourceCurrencyCode` |
| `PAYMENT_TERMS`  | `DataArea/SupplierInvoice/SupplierInvoiceHeader/PaymentTerm/Term/Description`            |
| `PURCHASE_ORDER` | `UserArea/Property/NameValue[@name='PONumber']`                                          |

### Line Item Mapping

| DocBits Column | BOD XML Path                                       |
| -------------- | -------------------------------------------------- |
| `POSITION`     | `SupplierInvoiceDetail/LineNumber`                 |
| `ITEM_NUMBER`  | `SupplierInvoiceDetail/Item/ItemID/ID`             |
| `DESCRIPTION`  | `SupplierInvoiceDetail/Item/Description`           |
| `QUANTITY`     | `SupplierInvoiceDetail/InvoicedQuantity`           |
| `UNIT`         | `SupplierInvoiceDetail/InvoicedQuantity/@unitCode` |
| `UNIT_PRICE`   | `SupplierInvoiceDetail/UnitPrice/Amount`           |
| `TOTAL_AMOUNT` | `SupplierInvoiceDetail/ExtendedAmount`             |


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