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    Prerequisite Requirements
    Before using Google Pay, you must have:
- ANational Australia Bankmerchant evaluation account.
- To register, go to: https://nabgateway-developer.nab.com.au/support/contact-us.html
 
 - A merchant evaluation account with a supported processor. See Supported Processors.
 - TheNational Australia BankREST APIClient installed on your system.
 - A Google developer account.
 - Google Pay APIs embedded into your application or website. For details about integrating Google Pay, see the Google Pay API documentation.