Apology: Free Exchange Procedure Begins for 'Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition'
Chiiki Kaihatsu Kenkyujo has initiated a free exchange procedure for the revised edition of 'Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition' for purchasers, following the discovery of numerous errors. Following the initial report on April 27th, the new edition is scheduled to be shipped around May 20th.
📋 Article Processing Timeline
- 📰 Published: May 11, 2026 at 22:24
- 🔍 Collected: May 11, 2026 at 13:31
- 🤖 AI Analyzed: May 12, 2026 at 00:36 (11h 5m after Collected)
This is the cover image of "[New Edition] Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition."
Thank you for your continued patronage of our publications.
We sincerely apologize for the great inconvenience and anxiety caused to all those striving to pass the exam, as numerous errors have been found in our publication, "Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition."
Regarding this matter, we provided an initial report on April 27th, and we have now begun the free exchange procedure for the revised (new) edition for readers who have already purchased the book. Details on how to proceed are as follows:
● Regarding those eligible for this free exchange:
・Those who purchased at national bookstores
・Those who purchased at online bookstores such as Amazon or Rakuten
*For those who applied for Chiiki Kaihatsu Kenkyujo's examination seminars or purchased through the Chiiki Kaihatsu Kenkyujo website, we will handle your case separately, so no procedure is required.
● How to proceed with the exchange:
[Step 1]
On your computer, smartphone, or tablet, open the "[New Edition] Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition Shipping Acceptance" page (URL below).
Shipping Acceptance Page: https://forms.cloud.microsoft/r/gif9KvTLSn
[Step 2]
After reading the [Guidance] on the shipping acceptance page, please enter your address, name, and other required information in the response fields.
[Step 3]
After entering all required items and clicking the [Send] button, your response will be submitted, and the procedure will be complete.
● Regarding the shipping start date:
The new edition is scheduled to be shipped around May 20th.
Please note that due to future bad weather or delivery circumstances, it may take several days for delivery, so we ask for your understanding.
● Regarding questions and answers:
For details on the errors and the free exchange procedure for the new edition, please refer to the compiled questions and answers separately.
URL: https://www.ias.or.jp/topic/2026/0507_1534.html
■ Regarding the publication of the errata:
URL: https://www.ias.or.jp/shuppan/seigo_chart.html
As a response to this matter, the errata for the old edition is also published at the link above.
Items listed in the errata have been corrected in the new edition.
We deeply apologize again for the great inconvenience caused to our readers.
We are committed to further strengthening our quality control system and thoroughly preventing recurrence.
■ Contact for this matter:
General Affairs and Planning Department, Planning Division, Chiiki Kaihatsu Kenkyujo
kikakuka_r@chiiki-net.com
Tel 03-3235-3605 (Weekdays 9:00-17:00)
Chiiki Kaihatsu Kenkyujo Website
URL: https://www.ias.or.jp/
Name: Chiiki Kaihatsu Kenkyujo
Chairman: Ichiro Aoyagi
Established: April 8, 1965
Location: Edogawabashi Building, 1-47-12 Sekiguchi, Bunkyo-ku, Tokyo 112-0014
Business Activities: Training of construction engineers, research, etc.
Official SNS
■ X (formerly Twitter) https://x.com/ias_web
■ Instagram https://www.instagram.com/chiiki.sekokan
Thank you for your continued patronage of our publications.
We sincerely apologize for the great inconvenience and anxiety caused to all those striving to pass the exam, as numerous errors have been found in our publication, "Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition."
Regarding this matter, we provided an initial report on April 27th, and we have now begun the free exchange procedure for the revised (new) edition for readers who have already purchased the book. Details on how to proceed are as follows:
● Regarding those eligible for this free exchange:
・Those who purchased at national bookstores
・Those who purchased at online bookstores such as Amazon or Rakuten
*For those who applied for Chiiki Kaihatsu Kenkyujo's examination seminars or purchased through the Chiiki Kaihatsu Kenkyujo website, we will handle your case separately, so no procedure is required.
● How to proceed with the exchange:
[Step 1]
On your computer, smartphone, or tablet, open the "[New Edition] Class 1 Electrical Construction Management First-Stage Exam Problem & Commentary Collection 2026 Edition Shipping Acceptance" page (URL below).
Shipping Acceptance Page: https://forms.cloud.microsoft/r/gif9KvTLSn
[Step 2]
After reading the [Guidance] on the shipping acceptance page, please enter your address, name, and other required information in the response fields.
[Step 3]
After entering all required items and clicking the [Send] button, your response will be submitted, and the procedure will be complete.
● Regarding the shipping start date:
The new edition is scheduled to be shipped around May 20th.
Please note that due to future bad weather or delivery circumstances, it may take several days for delivery, so we ask for your understanding.
● Regarding questions and answers:
For details on the errors and the free exchange procedure for the new edition, please refer to the compiled questions and answers separately.
URL: https://www.ias.or.jp/topic/2026/0507_1534.html
■ Regarding the publication of the errata:
URL: https://www.ias.or.jp/shuppan/seigo_chart.html
As a response to this matter, the errata for the old edition is also published at the link above.
Items listed in the errata have been corrected in the new edition.
We deeply apologize again for the great inconvenience caused to our readers.
We are committed to further strengthening our quality control system and thoroughly preventing recurrence.
■ Contact for this matter:
General Affairs and Planning Department, Planning Division, Chiiki Kaihatsu Kenkyujo
kikakuka_r@chiiki-net.com
Tel 03-3235-3605 (Weekdays 9:00-17:00)
Chiiki Kaihatsu Kenkyujo Website
URL: https://www.ias.or.jp/
Name: Chiiki Kaihatsu Kenkyujo
Chairman: Ichiro Aoyagi
Established: April 8, 1965
Location: Edogawabashi Building, 1-47-12 Sekiguchi, Bunkyo-ku, Tokyo 112-0014
Business Activities: Training of construction engineers, research, etc.
Official SNS
■ X (formerly Twitter) https://x.com/ias_web
■ Instagram https://www.instagram.com/chiiki.sekokan