Portico supports Cash Advance transactions for merchants processing on the GSAP-NA, GNAP-UK, and Exchange Authorization Platforms.  Cash Advance requests must be sent as a CreditSale.  This functionality is restricted by MCC.  When the DeviceId is boarded with the applicable MCC value, all CreditSale transaction requests will be formatted as a Cash Advance to the host.  CreditSale is the only allowed primary transaction for this MCC.