Netherlands - Generic Functions for data exchange Implementation Guide
0.3.0 - ci-build Netherlands

Netherlands - Generic Functions for data exchange Implementation Guide, published by Stichting Nuts. This guide is not an authorized publication; it is the continuous build for version 0.3.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/nuts-foundation/nl-generic-functions-ig/ and changes regularly. See the Directory of published versions

## Extension: NL Generic Functions Localization Custodian

Official URL: http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-localization-custodian | Version: 0.3.0
Draft as of 2026-02-09 | Computable Name: NlGfLocalizationCustodian

The organization responsible for the localization record, identified by URA number.

Context of Use

This extension may be used on the following element(s)

- Element ID: `List`

Usage info

Usages:

- This Extension is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Localization Custodian
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-localization-custodian"
value[x] |  | 0..1 | Reference(Organization) | Value of extension
reference |  | 0..0 |  | Literal reference, Relative, internal or absolute URL
identifier |  | 1..1 | Identifier | Logical reference, when literal reference is not known
system |  | 0..1 | uri | The namespace for the identifier value Required Pattern: http://fhir.nl/fhir/NamingSystem/ura
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Localization Custodian
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-localization-custodian"
value[x] |  | 0..1 | Reference(Organization) | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://fhir.nl/fhir/NamingSystem/ura
value | Σ | 0..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
display | Σ | 0..1 | string | Text alternative for the resource
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: The organization responsible for the localization record, identified by URA number.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Localization Custodian
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-localization-custodian"
value[x] |  | 0..1 | Reference(Organization) | Value of extension
reference |  | 0..0 |  | Literal reference, Relative, internal or absolute URL
identifier |  | 1..1 | Identifier | Logical reference, when literal reference is not known
system |  | 0..1 | uri | The namespace for the identifier value Required Pattern: http://fhir.nl/fhir/NamingSystem/ura
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Localization Custodian
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-localization-custodian"
value[x] |  | 0..1 | Reference(Organization) | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://fhir.nl/fhir/NamingSystem/ura
value | Σ | 0..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
display | Σ | 0..1 | string | Text alternative for the resource
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: The organization responsible for the localization record, identified by URA number.

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x].type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Extension.value[x].identifier.​use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Extension.value[x].identifier.​type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`