Antarctica: IAATO membership and operator compliance rules continuing

Who it affects

Tour operators seeking IAATO-member status; prospective expedition-staff employees.

Sources

Primary: International Association of Antarctica Tour Operators ↗

Verified 2026-04-19 · methodology · report a correction

Related changes in Antarctica

More recent updates

In force 14 Jan 2048

Announced Other

Madrid Protocol 50-year minerals-prohibition review timing

The Madrid Protocol's prohibition on mineral-resource activity is subject to automatic review after 50 years from the Protocol's entry-into-force (14 January 1998) — therefore from January 2048. Any modification requires consensus among all Consultative Parties at that time. Discussions through 2024–2025 have reinforced political momentum to maintain the prohibition.

Who it affects: Long-horizon geopolitical context for all Antarctic governance.

Antarctic Treaty System Secretariat ↗ · verified 2026-04-19

In force 3 Jul 2025

In force Other

Tourism volumes down ~5% for 2024–25 season vs prior season

IAATO's 2024–25 season statistics (published following ATCM-47 in July 2025) showed a 5% reduction in visitors versus the 2023–24 season, which had been the highest post-pandemic year. The decline is attributed to operator capacity adjustments and economic factors rather than regulatory tightening. Seasonal employment for expedition staff reflects the underlying vessel-capacity.

Who it affects: IAATO-member tour operators; expedition-staff employment context.

International Association of Antarctica Tour Operators ↗ · verified 2026-04-19

In force 3 Jul 2025

In force Residency

ATCM 47 held in Milan, Italy (June–July 2025)

The 47th Antarctic Treaty Consultative Meeting was held in Milan, Italy from 23 June to 3 July 2025. Continued development of the Antarctic tourism management framework (begun formally in 2022), adoption of several measures on site-specific guidelines and station-management, and admission of new observers to the ATCM process.

Who it affects: All ATS participants; continued tourism-framework discussions.

Antarctic Treaty System Secretariat ↗ · verified 2026-04-19

In force 1 Dec 2024

In force Other

Strengthened non-native species introduction-prevention guidelines adopted

ATCM-46 adopted strengthened guidelines on preventing non-native species introduction through transported cargo, clothing, and equipment — entered operational force in late 2024. Practical effect on expeditioners and tour operators: stricter pre-departure biosecurity (mandatory cleaning of outer clothing, boot cleaning on every landing) and refined cargo-inspection protocols at major gateway ports (Christchurch, Punta Arenas, Cape Town, Hobart, Ushuaia).

Who it affects: All personnel landing on Antarctic continent.

Antarctic Treaty System Secretariat ↗ · verified 2026-04-19

In force 1 Nov 2024

In force Other

IAATO visitor-site-guidelines compliance continuing

IAATO's visitor-site guidelines — covering approximately 30 frequently-visited landing sites — continue to be refined through 2024–2025 with updated capacity limits, wildlife-distance rules, and landing-sequencing protocols. IAATO operators face significant reputational and compliance risk for non-adherence; ATCM parties have the ability to escalate major breaches.

Who it affects: All Antarctic tourism operators and their passengers.

International Association of Antarctica Tour Operators ↗ · Antarctic Treaty System Secretariat ↗ · verified 2026-04-19

In force 1 Jun 2024

In force Healthcare

Station medical and evacuation capability — continuing enhancements

Station medical capability continues to be enhanced through 2024–2026 via COMNAP-coordinated protocols — including telemedicine links to home-country hospitals, standardised in-station surgical capability at larger stations, and refined winter-evacuation protocols. Overwintering medical evacuation remains possible only in narrow winter weather windows; most medical issues are managed on-station.

Who it affects: Overwintering staff at all national Antarctic stations.

Council of Managers of National Antarctic Programs ↗ · verified 2026-04-19