Japanese Sword Laws: Complete Guide to the Firearms-and-Swords Law, Torokusho Registration, Ownership, Trade, and Carrying Penalties

Introduction—Is a Japanese Sword "Art" or "Weapon"?

Japanese swords are craft works that are highly valued worldwide, and many works are designated as "Important Cultural Properties" or "Important Art Objects" by the state. However, at the same time, as a blade, they are dangerous implements that can harm people. For this reason, Japan has established clear rules under the "Firearms and Swords Control Law" regarding possession, carrying, transportation, and export. Violations can result in criminal penalties even if committed unknowingly. Collectors, art enthusiasts, and those who have inherited swords are urged to read this article carefully.

Scope of Application of the Firearms and Swords Control Law—Which Swords Are Subject to It?

Article 2 of the Firearms and Swords Control Law regulates sword and blade weapons with a blade length of 15 cm or longer. In the case of Japanese swords, almost all those exceeding this standard length are subject to regulation.

Specifically, the sword and blade weapons subject to regulation are as follows:

• Katana (刀): A single-edged sword, typically with a blade length of around 60 cm
• Wakizashi (脇差): Blade length of approximately 30–60 cm
• Tanto (短刀): Blade length under 30 cm, but still subject to registration
• Naginata (薙刀) and Yari (槍): Different blade length standards but similarly regulated

On the other hand, imitation swords (not genuine blades) and practice swords for iaido (made of zinc alloy, etc.) do not fall under the "swords and blades" category of the Firearms and Swords Control Law, but may be subject to separate "blade regulations" if the blade length is 15 cm or longer.

Registration System—Filing with the Board of Education Is Essential

The only way to legally possess a Japanese sword is to obtain a "registration certificate." A Japanese sword without registration is illegal to possess, regardless of its value as an artwork.

Registration Process

1. Application for Review: Bring or mail the sword to the Board of Education of your prefecture for a firearms and swords registration review. Reviews are conducted several times per year (frequency varies by prefecture).
2. Review Standards: In the registration review, it is determined whether the sword is "a Japanese sword with value as an artwork or antique." The manufacturing method, form, and historical context are examined.
3. Issuance of Registration Certificate: After passing the review, a "registration certificate" is issued in the name of the prefectural Board of Education. The certificate records the sword's characteristics (length, maker's signature, form, etc.).
4. Cost: The review fee varies by prefecture but is generally around several thousand yen.

When the Review Does Not Pass

If the registration review determines that the sword has "no value as an artwork or antique," registration is denied and the sword may be subject to disposal or rendering harmless. In practice, however, if the Japanese sword is made using authentic traditional methods, it is rarely rejected in the review, and registration is usually granted except in cases of obvious scrap or damaged blades. If you are uncertain about whether your sword will pass review, it is recommended to consult with your prefectural Board of Education beforehand.

In Case of Inheritance or Transfer

If you inherit or receive a registered sword, you must file a notice of change of ownership with your prefectural Board of Education within 20 days (Article 17 of the Firearms and Swords Control Law). Failure to file can result in penalties.

If You Discover an Unregistered Sword

If you discover an unregistered sword during estate settlement or cleaning out a storage area, you must promptly report it to your local police box. If you report it, you will not be held liable for illegal possession, but if you leave it unreported, you may be prosecuted for unlawful possession.

Rules for Possession, Carrying, and Transportation

With a registration certificate, possession is legal, but there is a clear distinction between "possession," "carrying," and "transportation."

Possession at Home

It is legal to store a sword at home with its registration certificate attached. However, if the sword is stolen or lost, you are obligated to report it to the police promptly.

Transportation (When Moving)

If you take a sword outside your home, you must have a legitimate reason. Examples of recognized legitimate reasons include:

• Bringing the sword to a sword shop, appraisal meeting, or museum
• Transporting the sword to a craftsman for polishing or repair
• Moving the sword for sale or transfer
• Bringing the sword to a dojo for iaido or battojutsu (martial arts purposes)

When transporting, always carry the registration certificate, and the sword must be kept in a sword bag or special case. Carrying the sword exposed is considered "carrying" and is illegal without a legitimate reason.

Prohibition on Carrying in Public

Article 22 of the Firearms and Swords Control Law prohibits carrying a blade without legitimate reason. Walking along a public road with a naked Japanese sword is illegal regardless of blade length, and actual arrest cases have been reported.

Foreign Nationals Possessing Japanese Swords in Japan

Foreign nationals staying in Japan for tourism, study, or work can legally possess or purchase Japanese swords if they have a registration certificate. However, the following points require attention.

At Purchase: When purchasing from a sword dealer in Japan, always verify that the registration certificate is attached to the blade. Purchasing a sword without a registration certificate (even if it is an antique) can lead to illegal possession.

Change of Ownership for Sales and Transfers: If a foreign national receives a sword from a Japanese person, they must also file a notice of change of ownership with the nearest prefectural Board of Education within 20 days. Since the filing form is written in Japanese, you may use an interpreter or fluent Japanese speaker for assistance if needed.

When Leaving or Returning to Japan: If you wish to take a Japanese sword you possess back to your home country, the procedures described below under "Procedures for Taking Abroad" (obtaining an export authentication certificate for art objects from the Agency for Cultural Affairs, customs declaration, etc.) are necessary. You must also verify in advance the import regulations of the country where you will be bringing the sword.

Common Misconceptions and Correct Understanding

"The registration certificate is issued in the sword's owner's name"?—False. The registration certificate is an "identification document for the sword" issued by the Board of Education and does not list the owner's name. Therefore, as long as the registration certificate matches the blade, it is legal for anyone to possess it (provided that a change of ownership notice has been properly filed). Conversely, the registration certificate alone does not prove "whose sword it is," so reporting to the police is important in case of theft or loss.

"Old swords don't need registration"?—False. Even swords from before the Meiji period or those designated as Important Cultural Properties are illegal to possess without a registration certificate. Cultural and historical value is a separate matter from legal compliance under the Firearms and Swords Control Law.

"Carrying a sword is legal as long as you're not walking around with it"?—False. Even storing a sword in a car trunk without wrapping is problematic without a legitimate reason and may be treated as "transportation." It is essential to keep the sword in a bag or case, carry the registration certificate, and have a clear purpose for the move.

"No antiques business license is needed for personal sales"?—While a business license is not required if an individual only makes occasional sales, if sales become continuous or repeated, it may be determined to be "in the course of business," which may require a license under the Antiques Business Law.

Procedures for Taking a Sword Abroad

If you export a Japanese sword, several legal procedures involving multiple laws are required.

Regulations Under the Cultural Properties Protection Law

Swords designated as Important Cultural Properties or Important Art Objects are generally prohibited from being taken outside the country. Even for undesignated items, export requires obtaining an "export authentication certificate for art objects" from the Agency for Cultural Affairs' Division of Cultural Properties or from the export examination division of the Kyoto National Museum. Once exported, the registration certificate becomes invalid, and the old certificate must be returned to the Board of Education.

Foreign Exchange Law (Foreign Exchange and Foreign Trade Law)

In some cases, such as high-value artwork and crafts, notification of export to the Ministry of Economy, Trade and Industry may be required under the Foreign Exchange Law (this notification is not required for most antique Japanese swords).

General Export Procedures

1. Obtain an export authentication certificate for art objects from the Agency for Cultural Affairs (submit the registration certificate; after export, return it to the Board of Education)
2. Make a customs declaration for the sword at the customs office (airport or port) and present the original authentication certificate and a copy of the registration certificate
3. Verify in advance the import regulations of the country where you will be bringing the sword (some countries prohibit or strictly restrict the import of swords and blades)

A particularly important point to note is that carry-on luggage is not permitted (specialized packaging is required for checked luggage), and each airline has different rules for checking bladed weapons. It is essential to confirm with your airline beforehand.

Penalties for Violations

Violations of the Firearms and Swords Control Law, though they may seem minor, are serious crimes carrying actual imprisonment. The main violations and penalties are as follows.

Actual cases of prosecution have included situations where an unregistered sword found in a grandfather's belongings was kept without reporting to the police, or where someone thought they possessed an imitation sword but it turned out to be a genuine Japanese sword. The claim of "I didn't know" is not a legal defense, so early reporting is important.

Summary—Correct Knowledge Protects Swords

A Japanese sword can be legally possessed, viewed, and bought or sold by anyone if the proper procedures are followed. The two key points are the "presence or absence of a registration certificate" and "legitimate reason for carrying or transporting." Whether through inheritance, purchase, or discovery, consulting with the Board of Education or your local police box is the best starting point. Following the law also contributes to preserving Japanese swords as a cultural heritage for future generations.

What Happens if You Possess a Japanese Sword Without a Registration Certificate?

Possession of a sword without a registration certificate is a violation of the Firearms and Swords Control Law and is subject to imprisonment of up to 3 years or a fine of up to 500,000 yen (Article 31-16 of the Firearms and Swords Control Law). If an unregistered sword is found during inheritance or estate settlement, file a "discovery report" with your nearest police box before moving it, and follow the legal path of obtaining a registration certificate through the registration review committee of your prefectural Board of Education.

Is a License Needed to Store a Japanese Sword at Home?

Unlike firearms, no license is required to possess a Japanese sword with a registration certificate. However, the registration certificate must be stored with the blade, and each time the sword is transferred, inherited, or sold, you must file a notice of change of ownership with your prefectural Board of Education. Failure to do so leaves the possessor in a state of no legal right and carries the same risk of violating the Firearms and Swords Control Law.

What Is Illegal When Taking a Japanese Sword Outside?

Carrying without "legitimate reason" is not merely a minor offense under Article 22 of the Firearms and Swords Control Law; concealed carrying is subject to imprisonment of up to 2 years or a fine of up to 300,000 yen. Appraisal meetings, registration review sessions, polishing requests, and carrying a sword home immediately after purchase all qualify as legitimate reasons, but being prepared for police questioning—with proper packaging that doesn't expose the blade, taking the shortest route, and noting the destination and time of transportation—is essential.

What Legal Precautions Should Be Taken When Buying and Selling a Japanese Sword?

While the sale itself is legal, the original registration certificate must be transferred along with the blade, and the buyer must file a notice of change of ownership with the Board of Education within 20 days. While a license under the Antiques Business Law is required for continuous and repeated transactions as a business, private sales between individuals are exempt from licensing requirements. It is also important not to overlook that selling to overseas customers requires a separate export authentication certificate for art objects from the Agency for Cultural Affairs (the registration certificate becomes invalid at the time of export and must be returned to the Board of Education).

What Should You Do First If You Inherit a Japanese Sword?

First, confirm whether the "registration certificate is attached to the blade." If a registration certificate exists, file a notice of change of ownership with your prefectural Board of Education within 20 days. If there is no registration certificate (discovery of an unregistered sword), file a discovery report with your nearest police box before moving it and follow police instructions to undergo a registration review with the Board of Education. It is important not to rush to settle the inheritance or dispose of the sword, but to complete the legal procedures first.

Related columns: Firearms and Swords Registration Certificate | Legal Standards for Japanese Sword Possession | Japanese Sword Export Regulations and Legal Guide for Taking Swords Abroad