PayPal Express Checkout - 2013 Uživatelská příručka stáhnout pdf (Strana 19)

Express Checkout for Payflow 19

Billing Agreements and

Reference Transactions

This chapter describes how you can automatically bill a buyer’s PayPal account based on

buyer information you obtained in a previous transaction. To perform this type of transaction

you first must obtain a billing agreement between you and the buyer.

 “About Reference Transactions” on page 19

 “About Billing Agreements” on page 20

 “Ways To Obtain a BAID” on page 20

 “Obtaining the BAID With Express Checkout Purchase” on page 21

 “Obtaining the BAID Without Express Checkout Purchase” on page 25

 “Updating a Billing Agreement” on page 29

 “Using Reference Transactions” on page 30

IMPORTANT:You must be enabled by PayPal to use reference transactions. Contact

PayPal for details.

About Reference Transactions

A reference transaction takes existing billing information already gathered from a previously

authorized transaction and reuses it to charge the buyer in a subsequent transaction.

Before you can use a reference transaction, you must set up a billing agreement with the buyer.

(See

About Billing Agreements.) When you obtain the billing agreement, you can withdraw

funds from the buyer’s PayPal account without manual intervention using a reference

transaction.

You can only use reference transactions with Authorization or Sale transactions

(

TRXTYPE is A or S).

To enable line-item support in reference transactions, which includes the parameters below,

you must contact Merchant Technical Support at

http://www.paypal.com/mts:

 L_NAMEn

 L_DESCn

 L_COSTn

 L_TAXAMTn

 L_QTYn

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PayPal Express Checkout - 2013 Uživatelská příručka Strana 19