C.02.05

All frames should have a default CODE SPACE declared

10NeTExstructuredraftDATA4PT NeTEx Validation Rules Overview

Notes

All frames should have a default CODE SPACE declared. The CODE SPACE declares a default prefix to assume for all identifiers that do not have an explicit prefix. Upstream numbering clash: C.02.05 is assigned to 2 distinct rules in the source sheet; local -b/-c suffixes keep records apart.

Details

• Result: Error
• Scope: area: Common, aspect: identifiers - Codespaces, applies_to: All usages
• Mechanism: code

Related

• Source: DATA4PT NeTEx Validation Rules Overview

Rule metadata

Code	C.02.05
Standard	NeTEx
Source	DATA4PT NeTEx Validation Rules Overview
Severity	10
Category	structure
Maturity	draft
Tags	data4pt, netex, structure
Retrieved	2026-07-15