We looked up ICDA-US' EIN and from there searched the IRS Exempt Organization Status (EOS) databases. Here's a step-by-step:
- Visit the IRS Tax Exempt Organization Search site
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Search by EIN (Employer Identification Number). In the EIN Search Term box, enter 13-6158279. Leave all other fields and options as is.

Click Search. - It will display one result:

Click on the underlined organization name to get more details. - Here a portion of the record is shown:

Based on the displayed IRS information, last reported tax filing was for tax year 2021 (July 1, 2020 - June 30, 2021) Link to the ICDA-US Form 990 form filing: https://apps.irs.gov/pub/epostcard/cor/136158279_202106_990EZ_2023060221357472.pdf
According to ICDA-US Bylaws, thier fiscal year is calendar year based (January-December) but the IRS 990s shows the reporting tax year ending on June 30.
We obtained ICDA-US' IRS 990 filings for the years 2003 to 2021. We also did some research on the ICDA-US 501(c)3 status. Look here: IRS 990 Filings and here Deaf Angels IRS Information.