# BT-108 Sum of charges on document level

Total of all document-level charges applied to the invoice.

## Quick answer

Total of all document-level charges applied to the invoice.

> **Taxes and totals**: VAT treatment, tax breakdowns, and document totals that validators check closely.

- validate
- convert

## In plain language

Total of all document-level charges applied to the invoice.

Total of all document-level charges applied to the invoice.

This field summarizes freight, administration, or other document-level surcharges in one total.

## What you usually enter here

Decimal amount with max 2 fraction digits

Typical valid values include: 5.00

Optional according to EN 16931-1, but BR-CO-12 requires it to equal the sum of BT-99 amounts when present.

## What goes wrong often

Avoid values like: 5,00

Relevant rule codes: BR-CO-12

## Examples in context

This field summarizes freight, administration, or other document-level surcharges in one total.

Optional according to EN 16931-1, but BR-CO-12 requires it to equal the sum of BT-99 amounts when present.

## Valid Examples

- 5.00

## Invalid Examples

- 5,00

## Related Fields

This field summarizes freight, administration, or other document-level surcharges in one total.

- [BT-99 Document level charge amount](/resources/xrechnung/bt-99-document-level-charge-amount)
- [BT-109 Invoice Total Amount Without VAT](/resources/xrechnung/bt-109-invoice-total-amount-without-vat)

## XML mapping and field facts

Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.

### Field ID:
BT-108

### Data Type:
amount

### Cardinality:
0..1

### Requirement:
Optional

### Since Version:
Optional

## XML Implementation

### UBL 2.1 Syntax
```
/Invoice/cac:LegalMonetaryTotal/cbc:ChargeTotalAmount
```

### CII (UN/CEFACT) Syntax
```
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementHeaderMonetarySummation/ram:ChargeTotalAmount
```

## Validation Rules

### BR-CO-12
BR-CO-12

## Why the standard cares about this field

### Business Context
This field summarizes freight, administration, or other document-level surcharges in one total.

### Legal Requirement
Optional according to EN 16931-1, but BR-CO-12 requires it to equal the sum of BT-99 amounts when present.

## Official sources and tools

- [KoSIT Validator](https://erechnungsvalidator.service-bw.de/)
- [Invoice Converter](/pdf-to-xrechnung)
- [XRechnung Standard](https://xeinkauf.de/xrechnung/)
- [Test Suite](https://github.com/itplr-kosit/xrechnung-testsuite)