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Edit Package Training Session 01

Edit package Overview

OVERVIEW OF EDIT PACKAGEThe BASE II Edit Package is software supplied by Visa for processing

transaction files sent to and received from the VisaNet Interchange Center

(VIC). The Edit Package is the interface between the processing centers

internal payment processing systems and the VisaNet Access Point (VAP). It

prepares the processing centers outgoing interchange for transmission to the

VIC and receives and reports on incoming interchange from Visa, preparing it

for final processing by the processing centers systems.

Edit Package Processing Flow

The Edit Package comprises two processing phases: outgoing interchange

processing and incoming interchange processing.

The term outgoing refers to interchange sent from the members processing

center to the VIC. See Figure 11.

The first part of the outgoing process is performed by software belonging to

the processing center. This is usually referred to as pre-edit processing, since

it is done prior to processing by the Edit Package. Pre-edit processing involves

the capture, editing, and formatting of interchange data. Transactions

submitted into interchange are processed through the processing centers

pre-edit software, which places this information into a Center Transaction

File (CTF). Once pre-editing is completed, the data is ready to be run through

the Edit Package.Figure 11: Outgoing Interchange

Edit Package Processing

E3OUT, the overall outgoing control program, calls initialization processes at

the beginning of each outgoing Edit Package run and then processes each

transaction found in the CTF.

At the end of processing, the control program produces the necessary reports.

Then the Edit Package produces an Interchange Transaction File (ITF) which

is transferred to a VAP, where it is held until a predetermined collection time.

The transmission of the file is jointly managed by the VAP and the VIC, with

little or no intervention required by center personnel. If a VAP or other

electronic transmission means is unavailable, the file must be mailed to the

BASE II System Processing

At a predetermined time, the BASE II System at the VIC dials the VAP and

collects the interchange. As the interchange transactions are received by

BASE II at the VIC, clearing occurs. The transactions are validated, converted

to the appropriate currencies, and totaled and sorted by destination. Fees are

then calculated. At the end of each BASE II cycle, settlement positions are

computed for all members with either incoming or outgoing transactions.Interchange data are protected from system failure after being accepted by

the VIC. In the event of a failure, the BASE II System can restart processing

where the failure occurred. If requested, interchange files can also be rebuilt

and electronically transmitted to the processing center.Incoming Processing

The term incoming refers to interchange coming into the members processing

center from the VIC. See Figure 12.

The overall incoming control program E3IN calls an initialization process at

the beginning of each incoming Edit Package run and then processes each

transaction found in the ITF. At the end of processing, the control program

produces the necessary reports and makes the CTF available for use by the

processing center if there are no severe errors in the interchange file.

Incoming Edit Package files contain:

Financial and nonfinancial interchange transactions

BASE II System settlement reports

Edit Package table update transactions

NOTE: To ensure proper application of table update transactions, all

incoming files must be processed. Files must be processed in sequence

by the Central Processing Date (CPD) on which they were created to

properly update the table files.

Post-edit software, written by center personnel or by an outside vendor,

reformats and processes incoming interchange received from the VIC. This

software prepares interchange so that it can be processed by cardholder and

merchant posting programs and used for other processing center purposes,

such as fraud analysis.Key Features of the Edit Package

The Edit Package provides maximum flexibility for both installation and daily

processing. The key features that help make the Edit Package flexible are:

Use of rules and value table files

Availability of run control optionsRule and Value Tables

Edit Package transaction validation is performed using edit logic stored in

rules table files, rather than hard-coded edits.

When new business enhancements arise, the changes to the edits are

downloaded from the VIC to the processing center through incoming

interchange. This reduces the need to install new Edit Package software

whenever changes are introduced.

Run Control Options

Access to most functions in the Edit Package is available through run control

options. The use of run control options allows processing centers to customize

the Edit Package in a way best suited to their specific processing needs. Run

control options can be modified either at installation time or before each Edit

Package processing run.

Run control options allow the selection of a variety of functions, including:

Splitting incoming ITFs into multiple CTFs

Setting tolerance checking limits at the run or item levels

Establishing duplicate batch detection settings

Edit Package Functions

Edit Package functions can be divided into five groups:

EnvironmentalThese functions determine the environment in which

the Edit Package is run. Through the use of run control options, the

processing center can modify how the Edit Package software runs in the

FormattingOne of the functions of the Edit Package is to format CTF

data into ITF data during an outgoing cycle and to format ITF data into

CTF data during an incoming cycle.

The processing center can control some formatting functions so that

outgoing and incoming files and transactions can be more easily processed

by the centers internal systems.

ValidationValidation of interchange is a major function of the Edit

Package. In addition to standard validation, processing centers can select

additional forms of validation, such as the setting of tolerance levels at

both the run and item levels. Additional validation functions are

controlled through the use of run control options.ReportingThe Edit Package also includes functions for reporting.

Formatted reporting of outgoing and incoming transactions is available.

Processing centers can select which particular transaction codes are

Formats for dates, time, and numeric values can be modified according to

national standards and are available using run control options.

PC Edit Package and Edit Package Data Entry SystemsThese

systems are available to processing centers whether the Edit Package

runs on a mainframe or a PC. They give processing centers the ability to

key-enter original transactions that can be validated online. The PC Edit

Package and Edit Package Data Entry Systems validation logic uses the

same rule and value tables as the core Edit Package.

Both the PC Edit Package and Edit Package Data Entry System also

provide a mechanism for correcting both transactions rejected by the Edit

Package and transactions returned by the VIC.Outgoing Edit Package ProcessingOutgoing Processing Flow

This section describes the outgoing Edit Package processing cycle. Processes

are listed in the order they occur.

Outgoing Control Program

The outgoing Edit Package is a single-step process controlled by an overall

program that calls many submodules. The outgoing control program, E3OUT,

calls initialization functions as needed at the beginning of each run and then

processes each transaction found in the Center Transaction File (CTF). At the

end of processing, if there were no severe errors, the control program produces

the necessary reports and makes the Interchange Transaction File (ITF)

available for staging on the VisaNet Access Point (VAP).

Figure 31 provides a high-level illustration of the processing flow for a

typical outgoing Edit Package run.

The following items are required before an outgoing Edit Package run can be

An outgoing CTF generated by the processing centers pre-edit program

The following files, which must reside on a direct access storage device:

Permanent and Temporary Run Control Options Files

Incoming Run Hold File

Account Range Definition (ARDEF) File

History File (indexed and backup)

Log File (indexed and backup)

Table Control File

BIN and ARDEF Top Gun History Files (may be initially empty)

Initializing the System

The following processes occur during system initialization:

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