Introduction to the Boarding Registration Service {#boarding-intro-overview}
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Boarding Registration streamlines and automates the boarding of merchant accounts using the `Cybersource` `Business Center`. You can create a simple or complex hierarchy of accounts that represents merchant business units, and configure payment products for those accounts. To understand accounts, organizations, their hierarchy, and status, see these topics:

* [Understanding Accounts and Organizations](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/boarding/user/all/ebc/boarding-user/boarding-intro-overview/boarding-intro-organizations.md "")
* [Extend the Hierarchy](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/boarding/user/all/ebc/boarding-user/boarding-extend-hierarchy.md "")
* [Change an Organization's Status](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/boarding/user/all/ebc/boarding-user/merchants-v2-status-change.md "")