# BT-139 Fatura satırı kalem açıklaması

Fatura satırındaki kalem hakkında ek ayrıntılar sağlayan bir açıklama.

## Kisa cevap

Fatura satırındaki kalem hakkında ek ayrıntılar sağlayan bir açıklama.

> **Kalemler**: Her fatura kalemindeki mal veya hizmetler, miktarlar, fiyatlar ve KDV.

- validate
- convert

## Sade anlatim

Fatura satırındaki kalem hakkında ek ayrıntılar sağlayan bir açıklama.

Fatura satırındaki kalem hakkında ek ayrıntılar sağlayan bir açıklama.

Kalem için ek bağlam ve özellikler sağlar.

## Buraya genelde ne yazilir

Serbest metin

Tipik gecerli degerler: High-performance laptop with 16GB RAM and 512GB SSD, Monthly consulting services for Q1 2024, Office supplies including pens, paper, and folders

İsteğe bağlı, ancak EN 16931-1 uyarınca netlik için önerilir.

## Sik yapilan hatalar

Su degerlerden kacin: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Ilgili kural kodlari: BR-2

## Baglam icinde ornekler

Kalem için ek bağlam ve özellikler sağlar.

İsteğe bağlı, ancak EN 16931-1 uyarınca netlik için önerilir.

## Geçerli Örnekler

- High-performance laptop with 16GB RAM and 512GB SSD
- Monthly consulting services for Q1 2024
- Office supplies including pens, paper, and folders

## Geçersiz Örnekler

- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

## İlgili Alanlar

Kalem için ek bağlam ve özellikler sağlar.

- [BT-138 Fatura satırı kalem adı](/resources/xrechnung/bt-138-invoice-line-item-name)
- [BT-140 Fatura satırı kalem satıcı tanımlayıcısı](/resources/xrechnung/bt-140-invoice-line-item-sellers-identifier)

## XML eslemesi ve alan bilgileri

XML yollarina, validator kural kodlarina, yasal ifadelere veya format eslemesine ihtiyaciniz varsa teknik referansi acin.

### Alan ID:
BT-139

### Veri Türü:
text

### Kardinalite:
0..1

### Gereksinim:
İsteğe bağlı

### Maks. uzunluk:
1000 karakter

### Sürümden beri:
Optional

## XML Uygulaması

### UBL 2.1 Sözdizimi
```
/Invoice/cac:InvoiceLine/cac:Item/cac:ItemDescription
```

### CII (UN/CEFACT) Sözdizimi
```
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:Description
```

## Doğrulama Kuralları

### BR-2
BR-2

## Standart neden bu alani onemsiyor

### İş Bağlamı
Kalem için ek bağlam ve özellikler sağlar.

### Yasal Gereksinim
İsteğe bağlı, ancak EN 16931-1 uyarınca netlik için önerilir.

## Resmi kaynaklar ve araclar

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