Importers must follow a key security rule called Importer Security Filing (ISF), which is also known as the “10+2” rule, when things are shipped by sea to the United States. This rule says that buyers have to send in ten specific pieces of data, and the shipping company has to send in two more. Understanding what is ISF helps importers stay compliant and ensures a smoother trade process.

The purpose of ISF is to let U.S. Customs and Border Protection (CBP) know ahead of time about ocean goods that are going in. With this information, CBP can figure out what risks might be associated with them, make sure that shipping is safe, and stop illegal or harmful goods from entering the country.

ISF is an integral part of national security and supply chain transparency. If you don’t file properly or on time, you could be fined, have your shipment delayed, or even be refused to unload your cargo. Compliance isn’t a choice for importers; it’s the law and how they do business.

What Is ISF?

How to Use the “10+2” Rule

The two people who need to send information are called “10+2.” They are the buyer and the carrier.

10 Data Elements from the Importer

These include information about the seller, the buyer, the importer of record number, the consignee, the maker, the country of origin, the Harmonized Tariff Schedule (HTS) number, the ship-to name and address, the place where the container is stuffed, and the consolidator.

2-Data Elements from the Carrier

The carrier sends the vessel stow plan (which shows how the containers are put on the ship) and container progress messages (which show how the containers move during transport).

This information helps keep ports safe and goods intact by giving customs officials an overview of what’s coming into the U.S. and where it’s coming from.

Who Needs to Complete ISF?

All ocean goods going to the US must be filed with an ISF form. This includes containerized, breakbulk, and roll-on/roll-off (Ro-Ro) shipping. But bulk goods, like oil, coal, or food that isn’t packed in containers, are usually not affected.

Furthermore, it is essential to know that ISF does not include products coming into the U.S. by air, train, or road from Canada or Mexico, unless they were first brought by sea.

Who is in charge of filing the ISF?

The primary responsibility for submitting an accurate ISF is carried out by the Importer of Record (IOR). The buyer is still responsible for filing, even if they hire a customs broker or freight forwarder to do it for them.

The shipping line is in charge of sending its part of the data, which includes the vessel stow plan and update messages for containers. Knowing what is ISF to make sure importers understand which shipments require filing and which are exempt.

Why the ISF is Important: Pros and Cons

What You Can Get from Filing Your ISF Correctly 

• When you file ahead of time, CBP can do risk assessments faster, which means that your cargo will be cleared faster when it arrives.
• If you send your ISF form correctly, you can avoid checks or unloading delays that aren’t necessary.
• Each violation of the ISF can lead to a fine of up to $5,000. Importers may avoid these expensive fines by filing correctly and on time.
• When packages clear customs smoothly, businesses face fewer issues. This leads to happier customers and helps them meet shipping deadlines.
• ISF helps protect national and port security by stopping the flow of illegal goods or hazardous materials along legal trade paths. Doing your ISF filing online makes these steps faster and more efficient.

Risks of Non-Compliance

• If exporters don’t follow the ISF’s rules, it can cause significant problems with their business and their finances.
• The Customs and Border Protection (CBP) can refuse or hold any package that doesn’t have a legal International Shipping Form (ISF).
• Importers risk substantial penalties in the event that their files are incomplete, inaccurate, or filed late.
• Late or inaccurate filings are more likely to initiate physical inspections, which result in increased time and expenses.
• Breaking the rules too often may damage your ties with carriers, customs agents, and logistics partners. 

How to File ISF Easily

Obtain all the necessary information a long time before the date your ship is scheduled to load. Use templates to ensure that all importers, buyers, consolidators, and freight forwarders consistently send info.

Check your work twice to make sure it’s correct. Even minor errors, like mistakes with names or the wrong address, can get you rejected or cause fines. Employ skilled agents and tools. Software platforms can help handle mapping, validation, and filing.

Ensure that records are being kept thoroughly. Keep all ISF papers and audit trails if the CBP asks for proof. To avoid late uploads, always make sure that the loading port’s local time and U.S. time are consistent.

Monitor the status of the submission after it has been submitted: Verify acceptance, promptly rectify any rejections, and monitor any amendments.

Wrapping It Up

For imports to go smoothly, you need to know what is ISF and how to file ISF online correctly. ISF helps keep goods safe, transportation on time, and legal compliance. When importers use digital tools to file ISF filing online, they can save time, avoid fines, and keep their supply chain running smoothly. Following ISF rules isn’t just the law; it’s also good business.

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