---
title: "General average act (york-antwerp rules)"
description: "There is a general average act when  and only when any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common sa"
url: "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules"
date: "2026-05-01T08:32:51+00:00"
language: "en-GB"
---

![Ocean Cargo](https://oceancargo.co.uk/images/GenPics/OCs-Customs-Brokerage.webp)

 # Understanding General Average Act (York-Antwerp Rules) in Freight Shipping

## What is a General Average Act?

In the complex world of international shipping, unforeseen perils can arise, threatening cargo, vessels, and the entire maritime adventure. When such a situation occurs, and an extraordinary sacrifice or expenditure is intentionally and reasonably made to save the common property from peril, it's known as a **General Average Act**. This principle, deeply rooted in maritime law, ensures that all parties involved in a sea voyage share proportionally in the losses incurred to save the whole.

The most widely accepted framework governing General Average is the **York-Antwerp Rules**. These rules provide a standardised set of principles and procedures for the adjustment and settlement of General Average claims globally, ensuring fairness and consistency across different jurisdictions. For businesses relying on [sea freight services](https://oceancargo.co.uk/services/sea-freight/), understanding General Average is not just a legal technicality but a crucial aspect of risk management.

Ocean Cargo, with over 25 years of experience in global logistics, helps clients navigate these intricate aspects of maritime law, ensuring their interests are protected and their cargo reaches its destination with minimal disruption.

## The Core Principle: Common Safety and Shared Sacrifice

At its heart, General Average is about collective survival. Imagine a scenario where a ship carrying cargo for multiple owners encounters a severe storm, fire, or runs aground. To prevent the total loss of the vessel and all its cargo, the ship's master might be forced to take drastic measures. These could include:

- Jettisoning (throwing overboard) some cargo to lighten the ship or extinguish a fire.
- Intentionally flooding a cargo hold to prevent a fire from spreading.
- Hiring salvage tugs to pull a grounded vessel free.
- Diverting the ship to a port of refuge for emergency repairs.

Each of these actions represents an "extraordinary sacrifice or expenditure" made "for the common safety." The key is that these actions are taken not for the benefit of one party's cargo, but for the preservation of all property involved in the "common maritime adventure." Without such an act, the entire voyage, including all cargo and the vessel, would likely be lost.

## When Does a General Average Act Occur?

According to the York-Antwerp Rules, a General Average Act occurs "when, and only when any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common safety for the purpose of preserving from peril the property involved in a common maritime adventure." Let's break down the critical components:

1. **Extraordinary Sacrifice or Expenditure:** This refers to costs or losses that are not part of the ordinary expenses of the voyage. Routine maintenance or expected operational costs do not qualify.
2. **Intentionally Made or Incurred:** The action must be a deliberate decision by the ship's master or crew, not an accidental loss.
3. **Reasonably Made:** The action taken must be a sensible and proportionate response to the peril, based on the circumstances at the time.
4. **For the Common Safety:** The primary motivation must be to save the entire venture (ship and all cargo), not just a specific part of it.
5. **Preserving from Peril:** There must be an actual, imminent danger threatening the property.
6. **Property Involved in a Common Maritime Adventure:** This includes the vessel itself, the freight (the payment for carriage), and all the cargo on board.

If these conditions are met, then a General Average situation is declared, triggering a complex process of adjustment and contribution.

## The York-Antwerp Rules: The Global Standard

First established in 1890 and periodically updated (most recently in 2016), the York-Antwerp Rules provide the framework for how General Average is calculated and settled. They are not a law in themselves but are almost universally incorporated into bills of lading and charter parties, making them contractually binding for most international shipments. Key aspects covered by the rules include:

- **Definition of General Average:** As outlined above.
- **Allowable Sacrifices and Expenditures:** Specific types of losses and costs that can be admitted into General Average.
- **Valuation of Losses:** How jettisoned cargo, damaged vessel parts, or other losses are valued for contribution.
- **Contributory Values:** How the remaining saved property (vessel, freight, and cargo) is valued to determine each party's share of the contribution.
- **General Average Adjuster:** The appointment of an independent expert to calculate the contributions.

Ocean Cargo's expertise in [customs compliance](https://oceancargo.co.uk/services/customs-compliance/) and global shipping means we understand the nuances of these rules and can advise clients on their implications for their specific shipments, whether it's [sea freight to the USA](https://oceancargo.co.uk/countries/usa/sea-freight-usa) or [air freight to Australia](https://oceancargo.co.uk/countries/australia/air-freight-australia).

## The General Average Process: From Declaration to Settlement

When a General Average Act is declared, it initiates a multi-stage process:

1. **Declaration:** The shipowner declares General Average, typically through a formal notice to all cargo owners.
2. **General Average Bond/Guarantee:** Cargo owners are required to provide a General Average Bond or Guarantee. This is a commitment to pay their share of the General Average contribution once it's calculated. Without this, cargo may not be released at the destination port. If the cargo is insured, the insurer will typically provide a General Average Guarantee.
3. **Appointment of Adjuster:** An independent General Average Adjuster is appointed to collect all necessary documentation, assess the losses, and calculate the contributions. This can be a lengthy process, often taking months or even years.
4. **Calculation of Contributions:** The Adjuster determines the total General Average expenditure and the contributory values of all saved property (vessel, freight, and each cargo owner's goods). Each party's contribution is then calculated proportionally.
5. **Settlement:** Once the adjustment is finalised, cargo owners (or their insurers) pay their assessed contributions.

This process highlights the critical importance of marine cargo insurance. Without it, a cargo owner could face significant, unexpected costs to retrieve their goods, even if their specific cargo was not damaged in the incident. Ocean Cargo advises all clients on the benefits of comprehensive cargo insurance to mitigate such risks.

## The Role of Marine Cargo Insurance

Marine cargo insurance is your primary defence against the financial implications of a General Average declaration. If your cargo is insured, your insurer will typically:

- Provide the General Average Guarantee, allowing your cargo to be released without you having to put up a cash deposit.
- Cover your share of the General Average contribution.
- Handle the complex interactions with the General Average Adjuster on your behalf.

Without insurance, you would be personally liable for your share of the General Average, which could be a substantial sum, potentially exceeding the value of your own cargo. This is why Ocean Cargo strongly recommends robust marine cargo insurance for all international shipments, whether you're shipping [excavators and diggers to the UAE](https://oceancargo.co.uk/countries/uae/excavators-diggers-uae) or [wind turbine components to Canada](https://oceancargo.co.uk/countries/canada/wind-turbine-components-blades-nacelles-tower-sections-canada).

## Ocean Cargo's Expertise in Navigating Complexities

At Ocean Cargo, we understand that General Average can be a daunting concept for businesses. Our role as your trusted freight forwarding partner extends beyond simply moving your goods. We provide expert guidance and support to help you understand and prepare for such eventualities.

- **Proactive Advice:** We advise on the importance of adequate marine cargo insurance and help you understand the potential risks involved in international shipping.
- **Documentation Support:** In the event of a General Average declaration, we can assist in gathering the necessary documentation and liaising with relevant parties.
- **Risk Mitigation:** Our robust processes and experienced team work to minimise risks throughout your supply chain, from careful [cargo handling](https://oceancargo.co.uk/services/specialised-services/specialised-packaging-handling "cargo handling") to selecting reliable carriers.

Whether you're importing [from China](https://oceancargo.co.uk/countries/china/sea-freight-china) or exporting [to South Africa](https://oceancargo.co.uk/countries/south-africa/road-freight-south-africa), Ocean Cargo ensures you have the knowledge and support to navigate the complexities of global trade, including the intricacies of General Average.

#### Is General Average common?

While not an everyday occurrence, General Average is declared periodically, especially for large container vessels. When it does happen, it can have significant financial implications for all cargo owners involved, making preparedness crucial.

#### Who pays for General Average?

All parties whose property was saved in the maritime adventure – the shipowner, the freight owner, and all cargo owners – contribute proportionally to the General Average fund. This contribution covers the extraordinary sacrifices and expenditures made to save the common property.

#### What happens if I don't pay my General Average contribution?

If you fail to provide a General Average Bond or Guarantee, or refuse to pay your assessed contribution, your cargo will likely be held by the shipowner or port authorities. It will not be released until your obligations are met, potentially incurring significant storage and demurrage charges.

#### Does my standard cargo insurance cover General Average?

Most comprehensive marine cargo insurance policies include coverage for General Average contributions. However, it's vital to check the specifics of your policy or consult with your insurance provider to confirm your coverage.

### Ready to simplify your global logistics?

Get advice and a quote for your next shipment. Contact the Ocean Cargo team to start shipping.

[Freight Quote](https://oceancargo.co.uk/contact-us)

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://oceancargo.co.uk" }, { "@type": "ListItem", "position": 2, "name": "Shipping Terms", "item": "https://oceancargo.co.uk/shipping-terms" }, { "@type": "ListItem", "position": 3, "name": "General average act (york-antwerp rules)", "item": "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules" } ] }
```

```json
{ "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Is General Average common?", "acceptedAnswer": { "@type": "Answer", "text": "While not an everyday occurrence, General Average is declared periodically, especially for large container vessels. When it does happen, it can have significant financial implications for all cargo owners involved, making preparedness crucial." } }, { "@type": "Question", "name": "Who pays for General Average?", "acceptedAnswer": { "@type": "Answer", "text": "All parties whose property was saved in the maritime adventure – the shipowner, the freight owner, and all cargo owners – contribute proportionally to the General Average fund. This contribution covers the extraordinary sacrifices and expenditures made to save the common property." } }, { "@type": "Question", "name": "What happens if I don't pay my General Average contribution?", "acceptedAnswer": { "@type": "Answer", "text": "If you fail to provide a General Average Bond or Guarantee, or refuse to pay your assessed contribution, your cargo will likely be held by the shipowner or port authorities. It will not be released until your obligations are met, potentially incurring significant storage and demurrage charges." } }, { "@type": "Question", "name": "Does my standard cargo insurance cover General Average?", "acceptedAnswer": { "@type": "Answer", "text": "Most comprehensive marine cargo insurance policies include coverage for General Average contributions. However, it's vital to check the specifics of your policy or consult with your insurance provider to confirm your coverage." } } ] }
```

```json
{ "@context": "https://schema.org", "@type": "Article", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules" }, "headline": "General average act (york-antwerp rules)", "description": "There is a general average act when and only when any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common sa", "image": { "@type": "ImageObject", "url": "https://oceancargo.co.uk/images/GenPics/sea-freight3.webp" }, "publisher": { "@type": "Organization", "name": "Ocean Cargo", "logo": { "@type": "ImageObject", "url": "https://oceancargo.co.uk/images/300_ocean-logo.png" } }, "author": { "@type": "Person", "name": "Ocean Cargo", "url": "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules" }, "datePublished": "2025-09-03T03:01:33+00:00", "dateCreated": "2025-06-29T03:56:38+00:00", "dateModified": "2025-08-11T01:03:34+00:00" }
```

```json
{ "@context": "https://schema.org", "@type": [ "LocalBusiness" ], "@id": "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules#localbusiness3", "name": "Ocean Cargo", "image": "https://oceancargo.co.uk/images/300_ocean-logo.png", "url": "https://oceancargo.co.uk/shipping-terms/general-average-act-york-antwerp-rules", "address": { "@type": "PostalAddress", "addressCountry": "UK", "addressLocality": "Oldham", "postalCode": "OL8 2PF" }, "openingHoursSpecification": { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" ], "opens": "00:00", "closes": "23:59" }, "aggregateRating": { "@type": "AggregateRating", "ratingValue": "4.8", "reviewCount": "500", "worstRating": 0, "bestRating": 5 } }
```