ICDA-US is a non profit corporation registered in the State of Ohio because that is where their headquarters is.
Per Ohio's law, non-profit organizations are required to file reports.
Here's where to find the information:
Link: Ohio Attorney General Office - Charity Law Section
On this page, enter 13-6158279 in the Employer Identification Number box. Leave all other fields blank.

After clicking on Search, you will see this:

To get an explanation of the Compliance status, click on the orange ? icon below "Compliance". Click on "View Details" to see more details about ICDA-US

ICDA-US needs to correct an error. According to the ICDA-US Bylaws, the fiscal year ends in December.