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(End) "laws and regulations" x "Digital" Hackathon will be held

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Digital Agency

*This page is now closed. For details of the event, we held the third Hackathon: "laws and regulations" x "Digital" Please visit .

From Wednesday, February 5 to Thursday, March 6, 2025, the "laws and regulations × Digital" Hackathon (hereinafter referred to as the "Hackathon") will be held, in which teams compete for the development of services that combine the areas of laws and regulations and digital.

1. Overview

In Digital Agency, through the e-Gov laws and regulations Search Engine , we provide "laws and regulations, etc.," and through the provision of e-LAWS, we are working to improve the efficiency of work such as drafting laws and regulations proposals for national government officer.

The purpose of this hackathon is to further develop these efforts and lead them to the following outcomes.

  • Further streamlining of national government officer's legislative drafting and examination work
  • Create a base registry that provides accurate and easy-to-understand information on laws and regulations
  • Promoting the Development of Industries and Technologies and the Creation of New Services by Utilizing Data-related to laws and regulations

At the "Laws and regulations API Hackathon" held in fiscal 2023, many excellent works using the prototype of the " laws and regulations APIs (e-Gov laws and regulations Search) " were developed (Reference: laws and regulations APIs Hackathon Works Introduction ).
In fiscal 2024, the use of laws and regulations APIs will not be required. Instead, it will be possible to directly download and use " laws and regulations, etc. (e-Gov laws and regulations Search) ," and the event will be held under the expanded theme of "laws and regulations" × "Digital."

2. Details of offering

Based on the following three perspectives based on the purpose of this hackathon, we will invite a wide range of works using "Digital Agency and other data" provided by laws and regulations and technologies such as AI.
Development examples are listed below, but do not limit yourself to them. Feel free to develop.

  • Efficiency of legal affairs
    Development of tools, etc. to improve the efficiency of "legislative affairs," such as the work of drafting bills and the work of reviewing bills by the national government officer
    • Example of development
      • A tool to detect analog restrictions on the laws and regulations that do not correspond to the digitalization of society
      • Tools for the generating AI to propose draft articles, etc.
  • Development of laws and regulations Database and Provision of laws and regulations Database to Society
    Consideration was given to the ideal way of providing laws and regulations and other information through the e-Gov laws and regulations Search, and development of a system to provide laws and regulations and other information in an easy-to-understand manner to citizens
    • Example of development
      • Ability to add a pop-up function for the referenced text on the e-Gov laws and regulations search screen ( 2023 Business and Legal Award )
      • Function to link the laws and regulations on the e-Gov laws and regulations search engine with judicial precedents
  • Laws and regulations, etc. Promoting data utilization and business creation
    Development that improves convenience for citizens by creating new private-sector services that utilize laws and regulations and other information provided by the government
    • Example of development

3. Event Schedule

This hackathon will be held from February 5 (Wed) to March 6 (Thu), 2025. During the period, you will be required to develop your work in an environment specific to each participant.

Events during the Hackathon

Information sessions, presentations, and other events will be held according to the following schedule. Details and changes to the schedule will be sent to the email addresses of those who have been selected to attend.

  • Day 1
    • Content: Introduction of ideas that can be used as a reference for the development of works, workshops to become familiar with data and APIs in laws and regulations, etc., introduction of efforts utilizing generative AI in Digital Agency, etc.
    • Date: February 5th (Wed) 13:00-17:00
    • Venue: Hybrid format of face-to-face venue and online venue
    • Meeting venue: near Shinagawa Station
  • Day 2
    • Content: Provide time for teams to discuss development policies and progress
    • Date: Monday, February 10, from 10:00 to 17:00, about 30 minutes for each team
    • Format: Online
  • Day 3
    • Content: Presentation on the developed work by each team, award ceremony, etc.
    • Date: March 6 (Thu) 13:00-18:00
    • Venue: Hybrid format of face-to-face venue and online venue
    • Meeting venue: near Shinagawa Station

4. How to participate

When participating, please be sure to check the Points to consider.

Subscription acceptance period

From 15:00, Wednesday, December 18, 2024 to 23:59, Monday, January 20, 2025

How to apply

If you would like to participate, please apply from "laws and regulations" x "Digital" Hackathon Participation Application Form . Please note that if it is difficult for all of you to participate due to the number of applications, we may decide who will participate after examining the contents of the ideas submitted from the participation application form at Digital Agency. We plan to send a notification of participation to the e-mail address registered in the form by Friday, January 24, 2025.

Points to consider

  • When applying, it is necessary to confirm the Participation Agreement (PDF / 175 kb) and agree on the participation application form.
  • Team representatives must be able to communicate in Japanese.
  • If Digital Agency determines that participation in this project is not appropriate, such as making a proposal for socially unacceptable activities or services in this project, future participation will be refused.
  • Applications that are incomplete, that contain false information, or that are otherwise false to Digital Agency will not be considered.
  • We will not respond to inquiries regarding participation applications or the progress and results of screenings of works.
  • Neither Digital Agency nor the members of the judging committee make any warranty in respect of the performances, qualities, etc. of the idea that won the prize.
  • Digital Agency does not authorize, publish, or distribute services completed through this project as official services.
  • Photographs will be taken at the time of this project, including the presentations by the participants and the award ceremony, and the video and images may be disclosed by Digital Agency.
  • The outline of the idea and the announced contents may be disclosed by Digital Agency on the website and public relations materials, etc.
  • Participation in this project is free of charge, but participants are responsible for the transportation costs required to move to the venue and the communication costs required for online participation.
  • There is no financial support from Digital Agency for this project or the award.
  • In order to participate, you must agree to the participation agreement written on the hackathon acceptance form.
  • The prototype of the laws and regulations APIs used in the hackathon was developed for this test in order to advance the laws and regulations APIs. Please refrain from reprinting the URL or incorporating it into the system after the hackathon. Please note that the database is an excerpt from a past snapshot of the existing laws and regulations database used for the test purpose, so we cannot guarantee the coverage, etc.

5. Privacy Policy

Privacy Policy for "laws and regulations" x "Digital" Hackathon and "laws and regulations API Prototype Public Test" (PDF / 246 kb)

6. Use of laws and regulations API Prototype

Laws and regulations Application Programming Interface prototype is a prototype of APIs that extend the functions of the "Digital Agency APIs" currently provided by laws and regulations on the e-Gov laws and regulations Search.

Fiscal 2023 (End) laws and regulations API Prototype Public Test (Second) In addition to the current laws and regulations APIs, the prototype released at was able to test functions such as obtaining laws and regulations and other data on e-Gov laws and regulations searches, as well as searching for text at a specific point in time and obtaining the text at that point in time (hereinafter, APIs including this function are referred to as "laws and regulations APIs Version2").

In fiscal 2024, in addition to the above functions, we developed an API prototype equipped with a function that can obtain some notification data, etc. (hereinafter, the API including this function is referred to as the "Notification API and Intermediate API").

The usage environments of "laws and regulations API Version2" and the notified APIs and intermediate API prototypes are scheduled to be released for a certain period of time in January 2025. You can also use these APIs in this hackathon to develop your works. You can check the specifications of each API from the following URL.

7. Inquiries

If you have any questions, please contact us through "laws and regulations" x "Digital" Hackathon and laws and regulations APIs Prototype Public Test Contact Form .

8. Related Information

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