---
title: "AIS.OR.235 Error reporting, error measurement, and corrective actions — SPECIFIC REQUIREMENTS FOR THE PROVIDERS OF AERONAUTICAL INFORMATION SERVICES, ATM/ANS · Avioverse"
description: "An AIS provider shall ensure that error reporting, error measurement and corrective action mechanisms are established and maintained."
url: "https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-the-providers-of/subpart-a/ais-or-235"
---

# AIS.OR.235 Error reporting, error measurement, and corrective actions

SPECIFIC REQUIREMENTS FOR THE PROVIDERS OF AERONAUTICAL INFORMATION SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## AIS.OR.235 Error reporting, error measurement, and corrective actions

An AIS provider shall ensure that error reporting, error measurement and corrective action mechanisms are established and maintained.

IR · AIS.OR.235 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 AIS.OR.235 Error reporting, error measurement and corrective actions

ERROR MANAGEMENT

(a) An AIS provider should have a system for handling errors and anomalies identified both during data processing and after delivery of the data to the users.

(b) All problems reported with the data should be analysed and any errors or anomalies documented and resolved or addressed.

(c) All errors or anomalies detected in the data should be resolved or addressed prior to delivery.

(d) Information concerning any errors in the data that have been delivered should be made available to all affected users.

GM · GM1 AIS.OR.235 — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART A – ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF AERONAUTICAL INFORMATION SERVICES (AIS.OR)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-the-providers-of/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.