---
title: "GM1 to AMC1 ATM/ANS.OR.B.015 Contracted activities — Part-ATM/ANS.OR · Avioverse"
description: "RESPONSIBILITY WHEN CONTRACTING ACTIVITIES The applicable requirements may include the necessary elements from the training and competence assessment of…"
url: "https://avioverse.aero/regulations/easa/atm-ans/annex-iii-common-requirements-for-service/subpart-b/gm1-to-amc1-atm-ans-or-b-015-contracted-activities"
---

# GM1 to AMC1 ATM/ANS.OR.B.015 Contracted activities

ANNEX III COMMON REQUIREMENTS FOR SERVICE PROVIDERS (Part-ATM/ANS.OR) · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

GM Guidance material

## GM1 to AMC1 ATM/ANS.OR.B.015 Contracted activities

RESPONSIBILITY WHEN CONTRACTING ACTIVITIES

The applicable requirements may include the necessary elements from the training and competence assessment of ATSEP laid down in Annex XIII to this Regulation in accordance with ATSEP.OR.105 in order to ensure equivalent level of safety and level playing field for the maintenance of systems and equipment regardless of whether such services are provided internally in the service provider or outsourced.

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

[All rules in SUBPART B — MANAGEMENT (ATM/ANS.OR.B)](https://avioverse.aero/regulations/easa/atm-ans/annex-iii-common-requirements-for-service/subpart-b)

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.