Good-Faith Return Confirmation Checker
Enter your industry and current-year gross revenue to see whether you are subject to good-faith return confirmation and whether to prepare for the June 30 extended filing.
⚠️ Current-year basis. Good-faith return confirmation is judged on the current tax period's revenue, not the prior year (unlike the prior-year basis used for double-entry bookkeeping duty).
🏢 Industry · Current-year revenue
Enter gross revenue excluding VAT, in 억 (100 million KRW). Add rows for multiple industries.
Industry
Agriculture/forestry/fishing · Mining · Wholesale & retail · Real-estate sales
억원 (100M KRW)
⚖️ Result
Enter an industry and revenue to see the result.
Basis · Sources
- 📘 Thresholds: Income Tax Act §70-2 and Enforcement Decree §133
- 🧾 Confirmation-cost credit: Restriction of Special Taxation Act §126-6 (60%, ₩1.2M cap)
- 🏦 Overview: National Tax Service — good-faith return confirmation (nts.go.kr)
- 📅 Deadline: June 30 for subject businesses (general May 31 → +1 month)
※ This result is for reference only; actual eligibility depends on income assessment, industry classification and conversion. Confirm with a tax professional or NTS.
Guide · FAQ · bal.pe.kr 도구 모음
For details on the rules see the Guide, FAQ, About. Last updated 2026-07-06.