# 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

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

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

## 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

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