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About Our Organization

Please complete and submit the membership form and waivers below.

If you have more than one child or family member with Down syndrome, please complete separate applications for them. For any non-applicable sections, please put N/A. 

If you would like to complete and submit a physical application and forms, please download the application here. Completed application and forms can be mailed to the DSOSN office at P.O. Box 401117, Las Vegas, NV 89140 or can be emailed to us at