Feature Additions 4.x, 5.x, and 6.x Schema

4.x

• Level III Data Support - added support for the submission of Level III data in transactions.

5.x

• PayPal Support (5.1) - added support for PayPal transactions

6.x

• Schema Reorganization (6.0) - reorganization of the schema files to enforce element ordering (sequence of elements).

• Bill Me Later Support (6.1) - added support for BML transactions.

• Auth Reversal Transaction (6.2) - added support for Authorization Reversal transactions.