The same form (part N) is used for 技術・人文知識・国際業務, 技能, 介護 and 研究. You fill the applicant part; your employer fills the organization part (所属機関等作成用 1–2).
Documents for everyone
- Application form and one photo (4 × 3 cm, within 6 months)
- Passport and residence card (shown)
- Declaration about the company's representative (所属機関の代表者に関する申告書) — reference form, prepared by the company
- Resident tax certificates: 課税（又は非課税）証明書 and 納税証明書 showing the past year's income and payment — from your city office, or a convenience store with a My Number Card
Company category
| Category | Who | Proof |
|---|---|---|
| 1 | Listed companies, public bodies, certain innovative companies | Proof of listing / establishment |
| 2 | Withholding tax on salaries ≥ ¥10 million in the previous year, or approved for the online system | Copy of 法定調書合計表 or approval notice |
| 3 | Filed the 法定調書合計表 (not category 2) | Copy of 法定調書合計表 |
| 4 | None of the above (e.g. new companies) | — |
Changed jobs since your last permission?
For category 3–4 employers, the first renewal after a job change usually needs more: employment conditions, company registration certificate (登記事項証明書), company profile and latest financial statements. Also make sure you filed the 14-day notification of change of employer.
Fees
From 1 October 2026 the fee depends on the period granted — see the fee calculator.
Source: ISA — 技術・人文知識・国際業務. Requirements change; always check the latest list before applying.