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Documentation overview
Glossary
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XRechnung Fields
Invoice basics
BT-1
BT-2
BT-3
BT-5
BT-6
BT-7
BT-8
BT-10
BT-11
BT-12
BT-14
BT-15
BT-16
BT-17
BT-18
BT-19
BT-21
BT-22
BT-23
BT-24
BT-25
BT-26
Delivery and payment
BT-9
BT-13
BT-20
BT-59
BT-60
BT-61
BT-70
BT-71
BT-72
BT-73
BT-74
BT-75
BT-76
BT-77
BT-78
BT-79
BT-80
BT-81
BT-82
BT-83
BT-84
BT-85
BT-86
BT-87
BT-88
BT-89
BT-90
BT-91
Seller details
BT-27
BT-28
BT-29
BT-30
BT-31
BT-32
BT-33
BT-34
BT-35
BT-36
BT-37
BT-38
BT-39
BT-40
BT-41
BT-42
BT-43
BT-62
BT-63
BT-64
BT-65
BT-66
BT-67
BT-68
BT-69
Buyer details
BT-44
BT-45
BT-46
BT-47
BT-48
BT-49
BT-50
BT-51
BT-52
BT-53
BT-54
BT-55
BT-56
BT-57
BT-58
Discounts and charges
BT-92
BT-93
BT-94
BT-95
BT-96
BT-97
BT-98
BT-99
BT-100
BT-101
BT-102
BT-103
BT-104
BT-105
Taxes and totals
BT-106
BT-107
BT-108
BT-109
BT-110
BT-111
BT-112
BT-113
BT-114
BT-115
BT-116
BT-117
BT-118
BT-119
BT-120
BT-121
BT-122
BT-123
BT-124
BT-125
Line items
BT-126
BT-127
BT-128
BT-129
BT-130
BT-131
BT-132
BT-133
BT-134
BT-135
BT-136
BT-137
BT-138
BT-139
BT-140
BT-141
BT-142
BT-143
BT-144
BT-145
BT-146
BT-147
BT-148
BT-149
BT-150
BT-151
BT-152
BT-153
BT-154
BT-155
BT-156
BT-157
BT-158
BT-159
BT-160
BT-161
BT-162
BT-163
BT-164
BT-165
BT-185
BT-186
ZUGFeRD Profiles
  3. E-Invoicing Resources
  5. XRechnung Fields
  7. BT-87

Reference

Markdown export

BT-87 Payment card primary account number

Masked primary account number of the payment card when card payment details are referenced.

Quick answerIn plain languageWhat you usually enter hereWhat goes wrong oftenExamples in contextValid ExamplesInvalid ExamplesRelated FieldsXML mapping and field factsXML ImplementationValidation RulesWhy the standard cares about this fieldOfficial sources and tools

Quick answer#

Masked primary account number of the payment card when card payment details are referenced.

Delivery and payment

Delivery dates, payment means, and the operational context around settlement.

In plain language#

Masked primary account number of the payment card when card payment details are referenced.

Masked primary account number of the payment card when card payment details are referenced.

Only use this in rare card-payment scenarios and never expose the full card number.

What you usually enter here#

Masked card number only

Typical valid values include: 123456******1234

Optional according to EN 16931-1, but BR-51 forbids exposing the full card number. Only masked values are acceptable.

What goes wrong often#

Avoid values like: 4111111111111111

Relevant rule codes: BR-51

Examples in context#

Only use this in rare card-payment scenarios and never expose the full card number.

Optional according to EN 16931-1, but BR-51 forbids exposing the full card number. Only masked values are acceptable.

Valid Examples#

Use these points as the practical checks for this section.

  • 123456******1234

Invalid Examples#

Use these points as the practical checks for this section.

  • 4111111111111111

Related Fields#

Only use this in rare card-payment scenarios and never expose the full card number.

BT-88 Payment card holder name
BT-81 Payment means type code

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-87

Data Type:

text

Cardinality:

0..1

Requirement:

Optional

Max Length:

35 characters

Since Version:

Optional

XML Implementation#

UBL 2.1 Syntax
/Invoice/cac:PaymentMeans/cac:CardAccount/cbc:PrimaryAccountNumberID
CII (UN/CEFACT) Syntax
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementPaymentMeans/ram:ApplicableTradeSettlementFinancialCard/ram:ID

Validation Rules#

BR-51

BR-51

Why the standard cares about this field#

Business Context

Only use this in rare card-payment scenarios and never expose the full card number.

Legal Requirement

Optional according to EN 16931-1, but BR-51 forbids exposing the full card number. Only masked values are acceptable.

Official sources and tools#

KoSIT Validator
Invoice Converter
XRechnung Standard
Test Suite
BT-86BT-88
On this page
Quick answerIn plain languageWhat you usually enter hereWhat goes wrong oftenExamples in contextValid ExamplesInvalid ExamplesRelated FieldsXML mapping and field factsXML ImplementationValidation RulesWhy the standard cares about this fieldOfficial sources and tools

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