> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bullring.finance/llms.txt
> Use this file to discover all available pages before exploring further.

# Rail Specific Details

> Behaviors unique to each fiat rail supported by Bridge Orchestration.

As Bridge Orchestration continues to expand across global fiat rails, this document outlines behaviors unique to each rail.

<AccordionGroup>
  <Accordion title="USD / (ACH & Wire)" icon="dollar-sign">
    * **Virtual accounts are fully permitted to receive the following transactions for non-US residents.**
      1. First-party payments where you are sending USD from your bank, fintech app, or brokerage account
      2. Third-party payment where a registered business sends USD from its bank account
      3. Third-party payment from a family member's bank account, where you share a surname
      4. Third-party Person-to-Person payment for an amount less than \$4,000
    * **The following types of transactions are fully permitted to be received by virtual accounts for US residents.**
      1. First-party payments where you are sending USD from your bank, fintech app, or brokerage account
      2. Payroll payments from businesses
      3. Third party payments in most states except for a New York, Pennsylvania, and Texas
  </Accordion>
</AccordionGroup>