This section describes how to use this guide and where to find further information.
Audience and Purpose
This guide is for
Cybersource
 partners whose merchants implement and use the eCheck service, either in the
Business Center
 or by using the APIs
Conventions
These statements appear in this document:
IMPORTANT
An
Important
 statement contains information essential to successfully completing a task or learning a concept.
Related Documentation
Visit the
Cybersource
 documentation hub to find additional processor-specific versions of this guide and additional technical documentation.
Customer Support
For support information about any service, visit the Support Center: