The law as Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) leaves it, with the words it changes marked.
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Chapter VII Marine Insurance第七章 海上保険
Article 815第八百十五条
Definitions(定義等)
Article 815, paragraph (1)
The term "marine insurance policy" as used in this Chapter means a non-life insurance policy under which the insurer (limited to a person that underwrites insurance as a business; hereinafter the same applies in this Chapter) promises to provide compensation for loss or damage arising from an accident relating to a voyage.
Unless otherwise provided for in this Chapter, the provisions of Chapter II, Sections 1 through 4 and 6, and Chapter V of the Insurance Act (Act No. 56 of 2008) apply to marine insurance policies.
Unless otherwise provided for in this Chapter or in a marine insurance policy, an insurer is liable to compensate the relevant person for any and all loss or damage arising from accidents relating to voyages that occur to the insured property during the insurance period.
An insurer is liable to compensate the relevant person for the amount to be paid by the insured to engage in marine salvage or share a general average.
保険者は、海難の救助又は共同海損の分担のため被保険者が支払うべき金額を塡補する責任を負う。
Article 817, paragraph (2)
The provisions of Article 19 of the Insurance Act apply mutatis mutandis to the amount prescribed in the preceding paragraph. In this case, the phrase "amount of damage to be compensated for" in that Article is deemed to be replaced with "amount prescribed in Article 817, paragraph (1) of the Commercial Code (Act No. 48 of 1899)".
Under a marine insurance policy that covers a ship as the insured property (hereinafter referred to as a "ship insurance policy" in this Chapter), the value of the ship at the time of commencement of the insurance period constitutes the insured value.
Under a marine insurance policy that covers cargo as the insured property (hereinafter referred to as a "cargo insurance policy" in this Chapter), the total sum of the value of the cargo at the place and time of loading, the freight charges, and the costs for insurance constitutes the insured value.
When entering into a marine insurance policy, the prospective policyholder or insured must disclose the facts of any material particulars related to the possibility that any loss or damage that would be compensated for pursuant to the marine insurance policy will occur (hereinafter referred to as the "risk" in this Chapter).
Information Contained in Documents to Be Delivered upon Conclusion of Policy(契約締結時に交付すべき書面の記載事項)
Article 821, paragraph (1)
If an insurer enters into a marine insurance policy, it must include the information specified in the following items for the categories set forth in those items in the document prescribed in Article 6, paragraph (1) of the Insurance Act, in addition to the information set forth in the items of that paragraph:
if it enters into a ship insurance policy:the name, nationality, type, materials, total tonnage, year of construction, and navigation area (if a ship insurance policy is concluded for a single voyage, the port of departure and the port of arrival (including a port of call, if any is specified)) of the ship, as well as the name of the shipowner; and
if it enters into a cargo insurance policy:the name of the ship, as well as the place of shipment, the port of loading, the port of discharge, and the destination of the cargo.
貨物保険契約を締結した場合 船舶の名称並びに貨物の発送地、船積港、陸揚港及び到達地
Article 822第八百二十二条
Change of Voyage(航海の変更)
Article 822, paragraph (1)
If there is a change to a voyage before the commencement of the insurance period, the marine insurance policy ceases to be valid.
保険期間の始期の到来前に航海の変更をしたときは、海上保険契約は、その効力を失う。
Article 822, paragraph (2)
If there is a change to a voyage during the insurance period, the insurer is not liable to compensate the relevant person for loss or damage arising from any accident that occurs after the change; provided, however, that this does not apply if the change is due to reasons not attributable to the policyholder or the insured.
Once the port of arrival is changed and operations for making that change have begun, there is deemed to have been a change to the voyage even if the ship does not deviate from the route specified in the marine insurance policy.
In the following cases, an insurer is not liable to compensate for loss or damage arising from any accident that occurs after the relevant fact arises; provided, however, that this does not apply if the fact has no influence on the occurrence of the accident or the fact is due to reasons not attributable to the policyholder or the insured:
the insured has neglected to cause the ship to depart or continue the voyage;
被保険者が発航又は航海の継続を怠ったとき。
Article 823, paragraph (1), item (ii)
the insured has changed the route; or
被保険者が航路を変更したとき。
Article 823, paragraph (1), item (iii)
beyond what is set forth in the preceding two items, the policyholder or the insured has significantly increased the risk.
前二号に掲げるもののほか、保険契約者又は被保険者が危険を著しく増加させたとき。
Article 824第八百二十四条
Change of Ship(船舶の変更)
Article 824, paragraph (1)
If there is a change to a ship specified in a cargo insurance policy, the insurer is not liable to compensate the relevant person for loss or damage arising from any accident that occurs after the change; provided, however, that this does not apply if the change is due to reasons not attributable to the policyholder or the insured.
If a cargo insurance policy specifies how the insurance period, the insured amount, the insured property, the agreed insured value, the insurance premiums or the payment method thereof, the name of the ship, or the place of shipment, port of loading, port of discharge or place of arrival of the cargo (hereinafter referred to as the "details of the policy" in this Article) are decided, it is not required to include the details of the policy in the document prescribed in Article 6, paragraph (1) of the Insurance Act.
In the case prescribed in the preceding paragraph, when a policyholder or an insured learns that the details of the policy have been finalized, they must notify the insurer of this without delay.
If a policyholder or an insured intentionally or by gross negligence fails to notify the insurer as referred to in the preceding paragraph without delay, the cargo insurance policy ceases to be valid.
An insurer is not liable to compensate the relevant person for the following loss or damage; provided, however, this does not apply to the loss or damage set forth in item (iv) if the policyholder or the insured proves that they did not neglect to exercise due care in satisfying the requirements prescribed in that item at the time of departure of the ship:
loss or damage arising from the nature of or a defect in the insured property, or from ordinary wear and tear thereof;
保険の目的物の性質若しくは瑕疵又はその通常の損耗によって生じた損害
Article 826, paragraph (1), item (ii)
loss or damage arising at the policyholder's or insured's intention or due to that person's gross negligence (or at that person's intention, if it is a liability insurance policy);
保険契約者又は被保険者の故意又は重大な過失(責任保険契約にあっては、故意)によって生じた損害
Article 826, paragraph (1), item (iii)
loss or damage arising from a war or any other social disturbance;
戦争その他の変乱によって生じた損害
Article 826, paragraph (1), item (iv)
in the case of a ship insurance policy, loss or damage arising from the things set forth in the items of Article 739, paragraph (1) (including as applied mutatis mutandis pursuant to Article 707 and Article 756, paragraph (1)) having been done insufficiently as of the time of departure of the ship; and
in the case of a cargo insurance policy, loss or damage arising from the insufficient packaging of cargo.
貨物保険契約にあっては、貨物の荷造りの不完全によって生じた損害
Article 827第八百二十七条
Liability to Compensate If Cargo Is Damaged(貨物の損傷等の場合の塡補責任)
Article 827, paragraph (1)
If cargo constituting insured property arrives at the destination damaged or partially lost, the insurer is liable to compensate for the amount arrived at when the insured value (or the agreed insured value, if specified) is multiplied by the proportion of the amount set forth in item (i) to the amount set forth in item (ii):
the amount arrived at when the value of the cargo that has been damaged or partially lost is deducted from the value that the cargo would have if it had not been damaged or partially lost; and
the value that the cargo would have had if it had not been damaged or partially lost.
当該貨物に損傷又は一部滅失がなかったとした場合の当該貨物の価額
Article 828第八百二十八条
Liability to Compensate If the Sale of Cargo Is Due to Force Majeure(不可抗力による貨物の売却の場合の塡補責任)
Article 828, paragraph (1)
If cargo that is the insured property is sold during a voyage due to force majeure, the insurer is liable to compensate for the amount arrived at when the amount set forth in item (ii) is deducted from the amount set forth in item (i):
the insured value (or the agreed insured value, if specified); and
保険価額(約定保険価額があるときは、当該約定保険価額)
Article 828, paragraph (1), item (ii)
the amount arrived at when freight charges and other such costs are deducted from the proceeds obtained from the sale of the cargo.
当該貨物の売却によって得た代価から運送賃その他の費用を控除した額
Article 829第八百二十九条
Cancellation Due to Breach of Duty to Inform(告知義務違反による解除)
Article 829, paragraph (1)
An insurer may cancel a marine insurance policy if a policyholder or an insured intentionally or by gross negligence fails to inform it of the facts of material particulars relevant to risk or misinforms it of such particulars. In this case, the provisions of Article 28, paragraph (2) (limited to the part concerning item (i)) and paragraph (4), and Article 31, paragraph (2) (limited to the part concerning item (i)) of the Insurance Act apply mutatis mutandis.
Application Mutatis Mutandis to Mutual Insurance(相互保険への準用)
Article 830, paragraph (1)
The provisions of this Chapter apply mutatis mutandis to mutual insurance; provided, however, that this does not apply if the nature of the mutual insurance does not permit their application.
この章の規定は、相互保険について準用する。ただし、その性質がこれを許さないときは、この限りでない。
Articles 831 to 841第八百三十一条から第八百四十一条まで
Articles 831 to 841, paragraph (1)
No English for this provision yet.
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Coming into force施行
The day a law or an amendment starts to apply. It is often months or years after promulgation, so that people have time to prepare. The Ministry of Justice's English usually says a law "comes into force" or "comes into effect", and sometimes calls the day its "enforcement date". Its "enforcement" more often means the word's other sense, carrying a law out, as in an Order for Enforcement (施行令), the Cabinet Order (政令) that sets out the details for carrying out an Act.
The Ministry of Justice's English of this passage has a slip, so the English shown is this site's correction of it. The Ministry printed:
if it enters into a ship insurance policy:the name, nationality, type, materials, total tonnage, year of construction, and navigation area (if a ship insurance policy is concluded for a single voyage, the port of departure and the port of arrival (including a port of call, if any is specified) of the ship, as well as the name of the shipowner; and
Japanese Law Translation, Ministry of Justice
Translates the law as amended by Act No. 29 of 2018 (平成三十年法律第二十九号)
The Ministry of Justice's English of this passage has a slip, so the English shown is this site's correction of it. The Ministry printed:
If a cargo insurance policy specifies how the insurance period, the insured amount, the insured property, the agreed insured value, the insurance premiums or the payment method thereof, the name of the ship, or the place of shipment, port of loading, port of discharge or place of arrival of the cargo (hereinafter referred to as the "details of the policy" in this Article) are decided, it is not require to include the details of the policy in the document prescribed in Article 6, paragraph (1) of the Insurance Act.
Japanese Law Translation, Ministry of Justice
Translates the law as amended by Act No. 29 of 2018 (平成三十年法律第二十九号)
The Ministry of Justice's English of this passage has a slip, so the English shown is this site's correction of it. The Ministry printed:
in the case of a ship insurance policy, loss or damage arising from the things set forth in the items of Article 739, paragraph (1) (including as applied mutatis mutandis pursuant to Article 707 and Article 756, paragraph (1)) having been done insufficiently as the time of departure of the ship; and
Japanese Law Translation, Ministry of Justice
Translates the law as amended by Act No. 29 of 2018 (平成三十年法律第二十九号)
The Ministry of Justice's English of this passage has a slip, so the English shown is this site's correction of it. The Ministry printed:
An insurer may cancel a marine insurance policy if a policyholder or an insured intentionally or by gross negligence fails to inform to of the facts of material particulars relevant to risk or misinforms it of such particulars. In this case, the provisions of Article 28, paragraph (2) (limited to the part concerning item (i)) and paragraph (4), and Article 31, paragraph (2) (limited to the part concerning item (i)) of the Insurance Act apply mutatis mutandis.
Japanese Law Translation, Ministry of Justice
Translates the law as amended by Act No. 29 of 2018 (平成三十年法律第二十九号)