Integration Guide

Table Of Contents
PayPal Payments Standard Integration Guide June 2012 11
Contents
Editing or Deleting Sales Tax Rates . . . . . . . . . . . . . . . . . . . . . . . . . . .368
Overriding Sales Tax Calculations on Individual Transactions . . . . . . . . . . . . .368
Automatic Calculation of Shipping Charges (U.S. Merchants Only) . . . . . . . . . . . .368
Displaying the Shipping Charges that PayPal Calculates During Checkout. . . . . . .369
Shipping Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .372
Shipping Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
Shipping Rate Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
Shipping Rate Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
Shipping Rates and Currencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . .374
Adding Shipping Rates for the First Time . . . . . . . . . . . . . . . . . . . . . . . .374
Adding Shipping Methods by Using a Wizard . . . . . . . . . . . . . . . . . . . . . .375
Viewing, Editing, and Adding Shipping Rates . . . . . . . . . . . . . . . . . . . . . .378
Viewing the Configuration of an Existing Shipping Method . . . . . . . . . . . . . . .379
Editing the Configuration Settings of an Existing Shipping Method . . . . . . . . . . .379
Deleting Shipping Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .381
Examples of Rate Bases and Shipping Calculations . . . . . . . . . . . . . . . . . .381
Overriding Shipping Calculations on Individual Transactions . . . . . . . . . . . . . .383
Automatic Calculation of Shipping Charges (non-U.S. Merchants Only) . . . . . . . . . .384
Examples of Cost Methods and Shipping Calculations . . . . . . . . . . . . . . . . .386
Overriding Shipping Calculation on Individual Transactions. . . . . . . . . . . . . . .386
Language Encoding Your Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387
Chapter 10 Using Authorization & Capture . . . . . . . . . . . . . . 389
Basic Authorization Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .389
Honor Period and Authorization Period . . . . . . . . . . . . . . . . . . . . . . . . .389
Basic Authorization & Capture Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . .390
Capturing A Single Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Batch Capturing Multiple Authorizations. . . . . . . . . . . . . . . . . . . . . . . . .392
Voiding an Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Capture Within 3 Days. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Capture From 4 - 29 Days . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .394
One Authorization, Multiple Captures, and a Refund . . . . . . . . . . . . . . . . . .395
Lower Capture Amount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Capture Up to 115% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .396
Authorization Expires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .397
Void . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .397
Reattempted Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398
Recommendations for Best Use of Authorization & Capture . . . . . . . . . . . . . . . .399
Capturing Funds on Basic Authorizations . . . . . . . . . . . . . . . . . . . . . . . .399