Local Churches seeking proof of their tax exempt status as a constituent member of the United Church of Christ will need to contact Church House in Cleveland to receive the appropriate letter.
Cynthia Gaffney handles these requests. You can email her a request for the letter, being sure to include your name and the name and location of your Local Church. She will respond promptly, usually within one business day.
For more information, read this article by UCC General Counsel Heather Kimmel: