Common function standards

TMG has been preparing standard specifications for a common function in core business platform in cooperation with relevant ministries and agencies.

What's New

• September 30, 2026
  • Links to the latest version of the specification to include links to the latest version of the specifications
• May 29, 2026
  • Specification FAQ Reference Material's "local government information system Common function Standard Specifications"

Links to Resources

• Links to the latest version of the specification
  • Specification FAQ Reference Material
• Download of various specifications
  • Local government information system common function standard specifications
  • Exhibit
    • Bulk Download by Release Date
    • Data on each separate sheet

Links to the latest version of the specification

*For the history of disclosure of various specifications, please check the local government information system Common function Standard Specifications Disclosure List (Excel / 22 kb) (updated on September 30, 2026).

Updated September 30, 2026

Specification FAQ Reference Material

• Frequently Asked Questions Regarding the "local government information system Common function Standard Specifications" (Updated May 29, 2026)
  • PDF(618KB)
  • Excel(60KB)
• Reference (Recommended Guidelines) regarding "local government information system Common function Standard Specifications and Standard Specifications for Data Requirements and Linkage Requirements" (updated on March 6, 2026)
  • PDF(1,907KB)
  • Revised Edition (PDF/1,907 kb)
  • Exhibit 1 _ Operational Flow for Application Management function (Excel / 149 kb)
  • Exhibit 2 _ Sample Code (ZIP / 2 kb)
  • Exhibit 3 _ Detailed reference regarding data requirements and linkage requirements (ZIP / 3,542 kb) (updated on March 6, 2026)
    • *The following two operations have been updated and disclosed based on the comments made in the PMO tool.
      • 019 _ HEALTH CARE (Updated March 6, 2026)
        • 019o018
      • 027 _ Child Allowance (published on March 6, 2026)
        • 027001
• List of Main Confirmation Items Concerning Coordination among Business Operators
  • How to use the Key Checklist (PDF / 394 kb)
  • Key Checklist (Excel / 61 kb)
• Sharing leading examples of coordination among carriers
  • Precedent cases in coordination among carriers (PDF / 471 kb) (updated on April 30, 2025)
• Local government information system Certified function and File Sharing function Reference Guide (ZIP / 25,740 kb)
  *For more information on the reference implementation, please have a GCAS account and refer to the documentation available on the GCAS Guide (members-only page).
  • "local government information system Certified function and File Sharing function Reference Guide" Frequently Asked Questions - Updated January 31, 2025
    • PDF(452KB)
    • Excel(62KB)

Download of various specifications

Local government information system common function standard specifications

Exhibit

Bulk Download by Release Date

• Attachment Published on September 30, 2026 (ZIP / 1,825 kb)
• Attachment Published on February 27, 2026 (ZIP / 2,729 kb)
• Attachment Published on September 30, 2025 (ZIP / 2,687 kb)
• Exhibit released on April 30, 2025 (ZIP / 1,991 kb)
• Attachment Published on February 28, 2025 (ZIP / 849 kb)
• Attachment Published on September 30, 2024 (ZIP / 3,320 kb)
• Exhibit released on April 30, 2024 (ZIP / 1,201 kb)
• Attachment Published on February 14, 2024 (ZIP / 2,520 kb)
• Attachment: Published on September 29, 2023 (ZIP / 2,248 kb) (updated on November 24, 2023)
• Attachment: Published on March 30, 2023 (ZIP / 2,612 kb) (updated on June 30, 2023 and April 11, 2023)
• Exhibit released on August 31, 2022 (ZIP / 1,247 kb)

Data on each separate sheet

Function requirements.

Application Management _ Item Definition Document

Address number management for non-residents _ Item definition document

Internal Consolidated Address _ Item Definition Form

Integrated Receipt Management _ Item Definition Document

Integrated Delinquency Management _ Item Definition Document

Address for non-resident inquiry of basic information API specification

*The external address basic information inquiry API specification (version 2.0) was formulated by integrating the external address basic information update API specification (version 1.0) and the external address basic information extraction API specification (version 1.0).

Nonresident address numbering API Specification

Detailed technical specifications for file linkage

OAuth2.0 Access Token Issuance API Specification

OAuth2.0 Access Token Information Retrieval API Specification

OAuth2.0 Access Token Invalidation API Specification

Specifications for abolishment