ZEIDAI RONSO is a collection of papers, including research papers on taxes / tax accounting, court case studies, and introduction of tax materials, written by officials in Research Department of NTC. ZEIDAI RONSO is not for sale, but we distribute it to the National Diet Library, university libraries, and other institutions that research tax theories. (Back Issues)

Research Department conducts theoretical and empirical research on taxes and tax accounting. The research outcomes are published in ZEIDAI RONSO and ZEIDAI Journal, and presented in Public Lectures at Wako Campus.

The latest issue (No. 114-116) (June, 2025)
No. Theme Writer
114 A Study on the Taxation of Foreign Exchange Gains and Losses of Individuals:
Focusing on Issues under the Income Tax Act
TANAGO.Masanori
114 On the Taxation of Horse Racing Winnings:
Focusing on the Characterization of Betting Costs as Private Household Expenses
UEDA.Masakatsu
114 Considerations on the Simplification and Streamlining of Inheritance Procedures:
Focusing on the Inheritance Tax Filing Process
SAKAI.Hideyuki
114 Treatment of Diverse Forms of Marital Property Ownership Abroad under the Japanese Inheritance Tax Law NAKAZAWA.Naoto
114 A Study on the Criminal Liability of Third Parties in Tax Evasion Cases KAWAMOTO.Yuki
115 A Consideration of the Fulfillment of Initial Filing Requirements and the Possibility of Filing a Request for Correction UEMURA.Kazunori
115 On the Fair Market Value at the Time of Transfer Where the Future Transfer Price Has Been Agreed:
Focusing on Transfers of Shares with Acquisition Clauses
FUKUI.Tomoko
115 Designing Reporting Obligations for Platform Operators: Insights from the EU Directive on Administrative Cooperation (DAC7) TAKAHASHI.Mari
115 Issues and Considerations Regarding the Introduction of a Mandatory Disclosure Rules in Japan INOUE.Aki
115 A Consideration of the Application of Pass-Through Taxation to Corporate Partners:
Focusing on the Allocation Method and Invocation of Special Provisions
HATAKEYAMA.Daigo
116 A Historical and Comparative Study on the Legal Framework for the Preservation of Tax Claims INOUE.Aya
116 Considerations on Tax Payment Methods from Abroad:
Utilizing Existing Options and Exploring New Alternatives
NINOMIYA.Makoto
116 A Consideration of the Tax Payment Certificate System:
Its Role and Future Design in the Context of a Digital Economy and Society
IKEBA.Seigo
116 Tax Collection Systems and the Legal Position of Tax Claims in Selected Jurisdictions NISHIOKA.Taichi

All the papers in ZEIDAI RONSO are based on writers’ personal opinions and are not the official opinions of the National Tax College, the National Tax Agency or the National Tax Tribunal.