Marine DeepPort marinedeep.com

Norway diving regulations: Havtil and the Working Environment Act

Norway has two regimes: manned underwater operations in the petroleum activities (Havtil's HSE regulations) and other diving at work (chapter 26 of the Regulations concerning the performance of work).

Jurisdiction
Norway
Built from
6 primary sources Law Guidance
Sources last checked
28 Sep 2026
Editorial check
28 Sep 2026
How to read this page: four kinds of statement
Law Law / regulation
Legislation: Acts, regulations and statutory instruments. It has the force of law in its jurisdiction.
ACOP / code Approved Code of Practice or code with legal status
A code the law itself gives special status (for example an HSE Approved Code of Practice). Following it is one way of complying; alternatives must be at least as good.
Guidance Regulator or industry guidance
Guidance, industry codes and standards. No legal force by itself, although clients, contracts or regulators may call it up.
Explanation Marine Deep explanation
Our own plain-English explanation. It is not a requirement and not legal advice.

Every law, code and guidance statement links to its primary source. Read the source before relying on it: our summary is not a substitute.

Explanation Marine Deep's explanation, not a requirement.

Offshore petroleum: the Norwegian Ocean Industry Authority (Havtil) supervises the petroleum activities. Its Framework Regulations and Activities Regulations contain the provisions on manned underwater operations. Other diving at work: chapter 26 of the Regulations concerning the performance of work (forskrift om utførelse av arbeid), made under the Working Environment Act.

Regulator and scope

  • LawThe Activities Regulations apply to offshore petroleum activities, subject to the exceptions set out in section 4 of the Framework Regulations. Aktivitetsforskriften (FOR-2010-04-29-613), § 1 første ledd
  • LawThe Activities Regulations also apply to activities involving the installations and equipment needed to carry out manned underwater operations from vessels. Aktivitetsforskriften (FOR-2010-04-29-613), § 1 annet ledd
  • LawChapter XIX of the Activities Regulations deals with manned underwater operations and has two sections: § 93 on manned underwater operations and § 94 on time rules. Aktivitetsforskriften (FOR-2010-04-29-613), Kap. XIX (§§ 93–94)
  • LawThe Petroleum Safety Authority (Petroleumstilsynet) laid down the Activities Regulations on 29 April 2010 under the Petroleum Act and the Working Environment Act, among other legislation. Aktivitetsforskriften (FOR-2010-04-29-613), Hjemmel (preamble)
  • LawLovdata presents the Activities Regulations as a current consolidated text: in force since 1 January 2011, last amended by regulation FOR-2025-12-17-2644 with effect from 1 January 2026. The page shows no repeal. Aktivitetsforskriften (FOR-2010-04-29-613), Document metadata
  • LawThe regulations require the responsible party to ensure that personnel always have the competence they need to carry out activities in line with health, safety and environment legislation. Aktivitetsforskriften (FOR-2010-04-29-613), § 21 første ledd
  • GuidanceHavtil, the Norwegian Ocean Industry Authority, is a government supervisory and administrative agency responsible for regulating safety, the working environment, emergency preparedness and security. Havtil role, Introduction
  • GuidanceHavtil supervises oil and gas activities on the whole Norwegian continental shelf and seven onshore petroleum facilities. Its supervision covers operators, licensees, contractors and vessel owners. Havtil role, Havtil / Supervisory responsibility

Framework Regulations: underwater operations, standards and amendments

  • LawThe Framework Regulations state that the Working Environment Act and the Framework Regulations apply to manned underwater operations in the petroleum activities carried out from vessels or facilities, unless special rules have been set. Framework Regulations (EN), Framework Regulations § 4 first subsection
  • LawThe operator is the principal undertaking, but the operator and the party responsible for a manned underwater operation from a vessel or facility may agree which of them takes that role. Framework Regulations (EN), Framework Regulations § 33 second subsection
  • LawFor offshore petroleum activities, the plan for development and operation must include an evaluation of the development concept regarding the use of manned underwater operations in all phases. Framework Regulations (EN), Framework Regulations § 27 number 3
  • LawA responsible party that uses a standard recommended in the guidelines to a provision can normally assume that the regulatory requirements are met. Other solutions must be documented as meeting the requirements. Framework Regulations (EN), Framework Regulations § 24 first subsection
  • GuidanceHavtil says its HSE regulations are updated regularly with the parties in its Regulatory Forum. Amendment proposals usually go out for consultation in July, with an October deadline. Havtil amendments, Introduction

Certificates and competence (petroleum activities)

  • LawPersonnel who lead or carry out bell diving or surface-oriented diving in the petroleum activities must hold a valid certificate. Aktivitetsforskriften (FOR-2010-04-29-613), § 21 annet ledd
  • LawThe Norwegian Ocean Industry Authority (Havindustritilsynet) designates suitable bodies to train diving personnel and to issue certificates on its behalf. A fee may be charged for issuing a certificate. Aktivitetsforskriften (FOR-2010-04-29-613), § 21 annet ledd

Manned underwater operations and time rules

Chapter 26: diving outside the petroleum activities

  1. Norway Law

    Regulations concerning the performance of work: latest amending regulation

    Lovdata lists FOR-2026-06-05-1020 as the latest amendment to the Regulations concerning the performance of work. The captured page shows only the table of contents, so it does not show which sections changed.

    Source: Forskrift om utførelse av arbeid (FOR-2011-12-06-1357)

  2. Norway Law

    Correction to § 26-3 (diving emergency preparedness)

    Lovdata records a correction dated 20 January 2026 to a typing error in the first sentence of § 26-3(2), the diving emergency preparedness section.

    Source: Forskrift om utførelse av arbeid (FOR-2011-12-06-1357)

  3. Norway Law

    Activities Regulations: latest consolidated amendment in force

    Lovdata shows the Activities Regulations last amended by regulation FOR-2025-12-17-2644, in force from 1 January 2026. Check Lovdata's amendment notes for which sections changed.

    Source: Aktivitetsforskriften (FOR-2010-04-29-613)

  4. Norway Law

    Activities Regulations §§ 93 and 94 (manned underwater operations) amended

    Sections 93 and 94 on manned underwater operations and time rules were amended by regulation 18 December 2024 no. 3263, in force 1 January 2025.

    Source: Aktivitetsforskriften (FOR-2010-04-29-613)

  5. Norway Law

    Activities Regulations § 21 (competence and diving certificates) amended

    Section 21 was amended by regulation 18 December 2023 no. 2175, in force 1 January 2024, after an earlier amendment in force 1 January 2023. The current text names Havindustritilsynet as the body that designates training and certificate-issuing bodies.

    Source: Aktivitetsforskriften (FOR-2010-04-29-613)

Norwegian primary sources

KindSourceEdition / dateLast checked
LawForskrift om utføring av aktiviteter i petroleumsvirksomheten (aktivitetsforskriften)
Lovdata (laid down by Petroleumstilsynet, now Havindustritilsynet, and other authorities) · Norway
Sist endret FOR-2025-12-17-2644 fra 01.01.2026, 29 Apr 201028 Sep 2026
GuidanceAmendments and consultations
Havtil (Norwegian Ocean Industry Authority) · Norway
not stated28 Sep 2026
LawRegulations relating to health, safety and the environment in the petroleum activities and at certain onshore facilities (the Framework Regulations) — unofficial English translation
Havtil (Norwegian Ocean Industry Authority) · Norway
12 Feb 201028 Sep 2026
GuidanceHavtil — Home (English)
Havtil (Norwegian Ocean Industry Authority) · Norway
not stated28 Sep 2026
GuidanceRole and area of responsibility
Havtil (Norwegian Ocean Industry Authority) · Norway
1 Mar 201928 Sep 2026
LawForskrift om utførelse av arbeid, psykososialt arbeidsmiljø, bruk av arbeidsutstyr og tilhørende tekniske krav (forskrift om utførelse av arbeid)
Lovdata (laid down by Arbeidsdepartementet) · Norway
Sist endret FOR-2026-06-05-1020, 6 Dec 201128 Sep 2026