a1c47b6d_ation__NVP____PayPal_Developer__Field
[Description] (Optional) Merchant specified flag which indicates whether to create a billing agreement as part of DoExpressCheckout or not. This field is used for reference transactions during billing agreement creation. Merchants who offer a store account can control whether PayPal must create a billing agreement or if billing agreement creation should be skipped. Set the value of this field to true to skip the creation of a billing agreement ID. [Field] 
SKIPBACREATION
DoExpressCheckoutPayment API Operation (NVP) - PayPal Developer
Field