Part 2: Create an Apple Pay Payment Processing Certificate {#applepay-cfg-2-pay-proc-cert}
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Complete the tasks in this section to create an Apple Pay payment processing certificate. Apple Pay servers use this certificate to encrypt payment data. Creation of an Apple Pay payment processing certificate consists of two tasks:

* Generating a certificate signing request (CSR).
* Using the CSR to create an Apple Pay payment processing certificate.

> IMPORTANT
> When you generate a CSR, the sequence of steps you will perform depends on whether you are integrating ` Bank of America ` decryption and merchant decryption.
>
> * If you are integrating ` Bank of America ` decryption, you will generate a CSR at the ` Bank of America ` ` BA360 `. See [Generating a CSR for Bank of America Decryption](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2a-pay-proc-cert-ebc-gen-csr.md "").

* If you are integrating merchant decryption, you will generate a CSR at your Apple device. See [Generating a CSR for Merchant Decryption](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2b-pay-proc-cert-own-gen-csr.md "").