The ICC adheres to openness and transparency in our Standards development process. All ICC Standards committee meetings are open to the public. Any interested party can participate in committee meetings and can be considered by the committee for membership on any work-group that the committee creates. Interested parties will be notified by email of standards activities related to IS-LOG , including committee meetings, sub-group meetings and the availability of standard development documentation. If you wish to be placed on the “interested parties” list for the development of this standard, please contact Karl Aittaniemi at


The Code Council has opened the revision cycle to update the 2017 edition. The ICC Board of Directors appointed the new committee on January 20, 2021 based on applications received at the December 1, 2020 call for committee deadline.

The 2017 edition was open for comment by interested parties with a deadline of March 19, 2021. The 2017 edition will also be posted for a public review period in accordance with ANSI requirements at a later time to be determined by the committee.

Comment forms may be accessed using the link below:

The first public meeting of the committee was held on March 4, 2021.  The committee approved meeting minutes are  posted below.  

The second and third public meetings of the committee were held on March 18, 2021 and April 1, 2021, respectively.  The meeting minutes are posted below. The committee adjudicated initial comments to prepare the public comment draft #1 which is slated to be posted for the ANSI public review period later in April 2021.  The Committee Action Report posted below was circulated to the proponents for comment for the required 30-day review period.  

Subsequent meetings have been scheduled in two week intervals to address any committee proposals.  The May 13, 2021 has been cancelled.  The fourth meeting was held on  May 27, 2021 at 1:00 pm ET.  The committee approved meeting minutes have been posted below.

The Public Comment Draft #1 has been posted below under "Meeting Minutes & Related Documents" Notice for public comment will also appear in the April 23, 2021 edition of ANSI Standards Action.  The deadline to receive public comments is June 7, 2021 at which time the comments will be organized for committee adjudication in regularly scheduled meetings. As part of the public review, the following figure and tables are posted as separate files but are part of Public Comment Draft #1:

Fig 304.2.2.3, Table 302., Table 304., Table 305.3.1.1 and Table 305.3.1.2.  

The fifth meeting was held on June 10, 2021, The meeting minutes pending committee approval has been posted below. The committee adjudicated all comments received during the ANSI public review period ending June 7, 2021.

The second Committee Action Report posted below was circulated to the proponents for comment for the required 30-day review period. 

The June 17, 2021 meeting has been cancelled.

The final drafts are now undergoing final ballot of the committee to approve the revised standard with a deadline of July 17, 2021.

Interested parties may contact the ICC 400 Secretariat, Karl Aittaniemi at  to be placed on the Interested Parties list and receive webex links to attend the meetings.



The 2017 edition of ICC 400 entitled: Standard on the Design and Construction of Log Structures, was approved by ANSI as an American National Standard on November 16, 2017, and is now available.

Committee Documents