PIN Debit Network Routing {#pd-network-routing-intro}
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Listing your preferred network routing codes in your `Business Center` merchant account is an optional setting. To ensure that transactions are routed to networks in your priority order, `Visa Acceptance Solutions` recommends including the processingInformation.networkRoutingOrder field in PIN debit requests. Set the value to the priority order of the routing networks for the transaction. When you include this field it overrides your merchant account setting. When you do not include this field in your request, `Visa Acceptance Solutions` uses the list of network codes in your merchant account.  
For Electronic Benefit Transfer (EBT) transactions, set the processingInformation.networkRoutingOrder field to `K`. If you do not include this field in EBT requests, your merchant account must be configured with `K` in the first priority order for network routing.