At least 1 metre of freeboard is required. Freeboard is the height from the top of the water. level (i.e. spillway level) to the top of the wall. 11. Stockpiled topsoil should be spread over. the dam wall and spillway and seeded immediately. with grasses to promote stabilising vegetation.
In Express Checkout, authorizing and processing a payment requires: 1  Setting up the payment authorization. 2  Redirecting the customer to PayPal. 3  Obtaining the customer details.  Confirming the payment 1  authorization. Capturing the payment (future).
<< Immediate Payment. To make calls to PayPal NVP/SOAP API operations, you must have API credentials that identify you as a PayPal Business or Premier account holder who is authorized to perform API operations.