For filers that frequently receive import warning messages,
you may submit a Parameter Change Request to the Census Bureau EID.parameterchange@census.gov.
Parameter Change Requests should only be submitted for repeated warning messages. Please do not request change for one-time or special shipments.
In order to submit your request, your company must use the ABI/ACE Parameter Change Request Form.
The Parameter Change Request requires the following information:
Once your request is received, the Micro-Analysis Branch will investigate your request, make a ruling, and respond directly to the submitting party. If you have any questions, please email EID.parameterchange@census.gov.