✓Permanent Residence Application form (download from Immigration Services Agency website)
✓Ryokai-sho / Statement of Understanding (confirming your obligations as a permanent resident)
✓Passport-style photo (4cm × 3cm) × 1 — not required for applicants under 16
✓Statement of reasons (why you need permanent residence)
✓Passport (present original; submit copy)
✓Residence Card (present original; submit copy)
✓Juminhyo / Resident Certificate (all household members, no My Number, issued within 3 months)
✓Letter of guarantee (from a permanent resident or Japanese national living in Japan)
✓National tax payment certificate / Nozei shomei-sho Form 3 — covers all 5 tax categories; certifies no outstanding balance as of the application date (obtain from tax office or e-Tax)