---
title: "GM1 32. Authoritative source — ANNEX I — Part-DEFINITIONS, ATM/ANS · Avioverse"
description: "ORGANISATIONS Organisations formally recognised by the State authority to originate and/or publish data, which meets the Data Quality Requirements (DQRs)…"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-definitions/general/gm1-32-authoritative-source"
---

# GM1 32. Authoritative source

ANNEX I — Part-DEFINITIONS · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

GM Guidance material

## GM1 32. Authoritative source

ORGANISATIONS

Organisations formally recognised by the State authority to originate and/or publish data, which meets the Data Quality Requirements (DQRs) as specified by that State, may be considered at least but are not limited to Mapping, Cadastre, and Land Registry authorities.

GM — Regulation (EU) 2017/373 · ED Decision 2017/001/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in General provisions](https://avioverse.aero/regulations/easa/atm-ans/part-definitions/general)

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.
