HomeExemption Certificate ManagementExemption Certificate ManagementOverviewAPIMCPIntegration guidesECM (AvaTax) APICertCapture RESTful APIsModelsCombinedHSTConfigModelAn AvaTax account.ParametersaccountIdRequiredintegerThe unique ID number assigned to this account.excludedCompanyCodesOptionalarrayCompany Codes to Exclude from change.endDateOptionalstringView Example