# BT-99 Document level charge amount

The amount of a document-level charge. It is a positive amount that increases the invoice total.

## Quick answer

> **Discounts and charges**: Document-level discounts, surcharges, and the tax data attached to them.

- [Validate XML](/en/xrechnung-validator?source=resource&bt=BT-99)
- [Convert invoice](/en/pdf-to-xrechnung?source=resource&bt=BT-99)

## In plain language

The amount of a document-level charge. It is a positive amount that increases the invoice total.

The amount of a document-level charge. It is a positive amount that increases the invoice total.

Document-level allowances reduce the invoice total; document-level charges increase it. ChargeIndicator selects the BG-20 allowance or BG-21 charge interpretation in UBL/CII.

## What you usually enter here

Decimal amount with up to 2 decimals, non-negative

Typical valid values include: 10.00, 25.50

Mandatory for each BG-21 document-level charge.

## What goes wrong often

Avoid values like: -10.00, 10,00

Relevant rule codes: BR-36, BR-CO-12

## Examples in context

Document-level allowances reduce the invoice total; document-level charges increase it. ChargeIndicator selects the BG-20 allowance or BG-21 charge interpretation in UBL/CII.

Mandatory for each BG-21 document-level charge.

## Valid Examples

- 10.00
- 25.50

## Invalid Examples

- -10.00
- 10,00

## Related Fields

Document-level allowances reduce the invoice total; document-level charges increase it. ChargeIndicator selects the BG-20 allowance or BG-21 charge interpretation in UBL/CII.

- [BT-100 Document level charge base amount](/resources/xrechnung/bt-100-document-level-charge-base-amount)
- [BT-101 Document level charge percentage](/resources/xrechnung/bt-101-document-level-charge-percentage)
- [BT-102 Document level charge VAT category code](/resources/xrechnung/bt-102-document-level-charge-vat-category-code)
- [BT-103 Document level charge VAT rate](/resources/xrechnung/bt-103-document-level-charge-vat-rate)
- [BT-104 Document level charge reason](/resources/xrechnung/bt-104-document-level-charge-reason)
- [BT-105 Document level charge reason code](/resources/xrechnung/bt-105-document-level-charge-reason-code)
- [BT-108 Sum of charges on document level](/resources/xrechnung/bt-108-sum-of-charges-on-document-level)

## 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-99

### Data Type:
amount

### Cardinality:
1..1

### Requirement:
Mandatory

### Since Version:
XRechnung 1.0+

## XML Implementation

### UBL 2.1 Syntax
```
/Invoice/cac:AllowanceCharge/cbc:Amount
```

### CII (UN/CEFACT) Syntax
```
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge/ram:ActualAmount
```

## Validation Rules

### BR-36
BR-36

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

## Check whether your XRechnung sets BT-99 correctly

Upload the XML file to the free validator. It applies the KoSIT rules for XRechnung 3.0 and names each finding with its rule ID, for this field for example BR-36, BR-CO-12. Creating a new invoice instead? The converter checks the invoice against the same rules and shows the findings before download.

- [Validate XML](/en/xrechnung-validator)
- [Convert invoice](/en/pdf-to-xrechnung)

Free, no account needed. XML file up to 2 MB.

## Why the standard cares about this field

### Business Context
Document-level allowances reduce the invoice total; document-level charges increase it. ChargeIndicator selects the BG-20 allowance or BG-21 charge interpretation in UBL/CII.

### Legal Requirement
Mandatory for each BG-21 document-level charge.

## Official sources and tools

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