A paper contract in a category specified by the Stamp Tax Act (印紙税法) needs a physical revenue stamp (収入印紙); a purely electronic contract does not, because no paper original means no taxable document (課税文書) under the Act. For a typical business consignment agreement (業務委託契約), the stamp cost scales with the stated contract amount and can run from roughly JPY 200 up to JPY 600,000.
Does a Japan Business Contract Need a Revenue Stamp?
It depends on the document category and the execution method, not on whether the parties are Japanese or foreign-owned. The Stamp Tax Act (印紙税法) lists specific categories of documents as taxable documents (課税文書); if a contract falls into one of those categories and exists as a physical paper original, a revenue stamp of a value tied to the document type (and often the stated contract amount) must be affixed and cancelled by the party or parties executing it.
Foreign-owned companies most commonly encounter this on a business consignment or service agreement (業務委託契約), a category of contract governed by a checklist item Aplash flags in every governing law review for Japan-jurisdiction paper: real estate sale contracts and commercial loan agreements above a stated threshold are the other two categories that come up most often for cross-border deals. If the same agreement is signed only in electronic form, none of this applies, because the taxable-document trigger requires a physical original.
What Is a 課税文書 (Taxable Document) Under the Stamp Tax Act?
A 課税文書 is a document that the Stamp Tax Act (印紙税法) designates by category as subject to stamp duty regardless of who signs it or what nationality the signing entities hold. The Act's schedule sets out numbered document categories, each with its own stamp duty structure; a contract for work (請負に関する契約書, the category that covers most business consignment and service agreements) is one of these numbered categories, and its stamp cost is tiered to the amount stated in the contract.
Two mechanical points matter for a foreign-owned company drafting in Japan. First, only a physical paper original triggers the tax; a signed PDF, a DocuSign or CloudSign execution, or any contract that never exists on paper falls outside the definition entirely. Second, contracts that state no fixed amount, or that state an amount below the lowest taxable bracket, can fall into a lower duty tier or outside taxation altogether, so the amount clause in the contract itself affects the stamp cost.
How Much Does a Revenue Stamp Cost for a Business Consignment Contract?
For a 業務委託契約 (business consignment agreement) executed on paper in Japan, the stamp cost scales in tiers tied to the contract amount, from roughly JPY 200 at the low end to roughly JPY 600,000 at the high end for very large stated contract values. Aplash's contract review checklist carries this as a verified range rather than a single fixed fee, because the actual bracket a given contract falls into depends on the specific amount stated in the document, and the tier table itself is published and periodically revised by the National Tax Agency (国税庁).
The practical takeaway for a foreign-owned company is not to memorize the full bracket table, but to recognize that stating a contract amount on a paper original is what activates the tiered calculation. A contract that omits a fixed price, or that is restructured into a purely electronic execution, removes the calculation entirely rather than landing in a lower bracket. This is the same mechanism behind the governing law and jurisdiction clause decision: the drafting choice made before signature determines a downstream tax and procedural outcome, not a negotiation after the fact.
Does Electronic Execution Avoid Stamp Duty Entirely?
Yes. A contract that is created, transmitted, and stored only in electronic form, with no paper original ever printed and physically exchanged, is not a taxable document (課税文書) under the Stamp Tax Act (印紙税法), because the tax attaches to the paper instrument itself rather than to the underlying agreement. This is a settled and verifiable position, not an aggressive reading, and it is the single most useful fact for a foreign-owned company deciding how to execute a Japan-facing contract.
The same mechanism appears elsewhere in Japan corporate practice and is a useful parallel for anyone confirming this is real rather than a workaround. A paper Articles of Incorporation (定款) for a stock company (株式会社) carries a JPY 40,000 stamp; an electronic Articles of Incorporation (電子定款), authenticated by a notary through the same statutory process, is exempt from that JPY 40,000 stamp entirely. The exemption is not a loophole particular to incorporation documents; it is the general rule that the Stamp Tax Act taxes paper originals, and a properly executed electronic contract platform such as DocuSign or CloudSign produces no such original for either a commercial contract or a company's founding charter.
What Happens If You Skip or Underpay a Required Stamp?
Omitting a required stamp, or affixing one below the correct value, triggers a deficiency penalty (過怠税) under the Stamp Tax Act (印紙税法), typically calculated at three times the value of the stamp that should have been affixed. This penalty attaches to the taxable document itself and is assessed independently of whether the underlying contract is otherwise valid and enforceable between the parties; a missing stamp does not void the contract, but it does create a tax exposure that a routine tax audit can surface later.
Because the categories that most often catch a foreign-owned company are real estate sale contracts, commercial loan agreements above the relevant threshold, and business consignment agreements with a stated amount, the safest practice on any paper original in one of these categories is to confirm the applicable bracket before execution rather than after. Where a contract also carries data-handling obligations, for example a services agreement referencing personal data flows, the same paper-versus-electronic decision interacts with the cross-border data transfer clause drafting choices reviewed alongside stamp duty in a full contract pass.
Who Is Responsible for Affixing the Stamp?
By default, both co-signing parties to a stamped contract are jointly liable for the stamp duty if it is unspecified and unaffixed, so the allocation of who actually pays for and affixes the stamp is a negotiable term rather than a fixed rule. Aplash's Japan contract review checklist recommends stating this allocation explicitly in the contract text, alongside the anti-social forces clause and the governing law clause that appear in the same standard review pass.
Leaving the allocation silent does not remove the obligation; it just leaves both parties exposed to the deficiency penalty if neither affixes the stamp. A single sentence naming the responsible party, paired with a decision on paper versus electronic execution at the drafting stage, resolves the exposure before signature rather than after a tax authority raises it.
Key points:
(a) A contract triggers stamp duty only if it is (i) a category specified as a taxable document (課税文書) under the Stamp Tax Act (印紙税法), and (ii) executed on physical paper; electronic-only execution removes the tax entirely.
(b) A paper 業務委託契約 (business consignment agreement) with a stated contract amount carries a stamp cost that scales in tiers, verified at roughly JPY 200 to JPY 600,000 depending on the amount; real estate sale contracts and loan agreements above a stated threshold are separate common trigger categories.
(c) Omitting or underpaying a required stamp does not void the contract but creates a deficiency penalty (過怠税), typically three times the omitted stamp value; specify in the contract text which party bears the duty, since both signing parties are jointly liable by default.
Frequently Asked Questions
Do foreign companies get any exemption from Japan stamp duty that Japanese companies do not?
No. The Stamp Tax Act (印紙税法) applies by document category and execution method, not by the nationality or ownership structure of the signing parties. A foreign-owned company signing a paper 業務委託契約 in Japan or governing a Japan-located transaction faces the same tiered stamp calculation as a wholly Japanese-owned counterparty.
If we sign a contract using DocuSign or CloudSign, do we still need to worry about stamp duty?
No, provided no paper original is ever printed and physically exchanged between the parties. A contract that exists only in electronic form falls outside the definition of a taxable document (課税文書) under the Stamp Tax Act, which is the same reasoning that exempts an electronic Articles of Incorporation (電子定款) from the JPY 40,000 paper stamp applied to a paper original.
What happens if we already signed a paper contract and did not affix a stamp?
The contract itself typically remains valid between the parties, but the omission exposes both signing parties, who are jointly liable by default, to a deficiency penalty (過怠税) usually calculated at three times the stamp value that should have been affixed. The exposure surfaces most commonly during a routine tax audit, so correcting it proactively rather than waiting for that discovery is the lower-risk path.
Conclusion
Stamp duty on a Japan business contract is a mechanical question, not a judgment call: paper plus a listed document category means a stamp is owed, and electronic-only execution removes the question entirely. For a business consignment agreement, the amount stated in the contract sets the bracket, the allocation of who pays is a negotiable clause worth stating explicitly, and getting it wrong creates a penalty rather than an invalid contract. A Japan-jurisdiction contract review covering these clauses alongside governing law, anti-social forces representations, and data transfer terms catches this before signature.
This article is informational only and does not constitute legal, tax, or regulatory advice. Consult a qualified advisor before acting on the content. Last updated: August 2026.