TITLE
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Guidelines
for Avoiding Double Charges (Offline Mode)
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DESCRIPTION
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Payment is taken from an Offline
system, and is then taken again on the same Check from an Online
system.
Because an Offline system will
not communicate with an Online system, the POS allowed a double charge
on the same Check.
This document establishes guidelines
for avoiding double charges.
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Offline Mode
Indications in Point of Sale:
Error Message at
Bottom of the Screen:
Red Offline
Indicators at Top Right of Screen:
Offline Mode
Pop-Up on Batch and Tip Adjustment Screen:
Scenario:
1. A payment was
taken on a Check in Node 1 while the node was Offline, then the Check was closed.
2. Before Node 1
came back Online, the same
check was opened in Node 2 where payment was taken and the check was closed
again.
3. After some time,
Node 2 came back online, and payment that was collected in offline mode
is now sent to the processor.
4. This scenario caused
a duplicate payment.
Guideline:
If
payment is taken on a Check from a Terminal that is Offline:
DO NOT
take payment on
that same Check again - from the Offline
Terminal or any other Terminal.
Once the Offline Terminal
comes back Online, the payment
will be updated to all other Terminals.
This
will prevent the occurrence of duplicate Payments on the same Check.
1. Do not Process Batch
or Close the Day yet. A refund must be initiated for the duplicate transaction.
2. Issue a Refund
for the duplicate transaction from the Closed Checks screen. (Please see Issuing a Refund ).
with the check
details and authorization code of the transaction refunded. Linga will correct
the reporting.
If a Duplicate Payment is accidentally
taken and the batch has already been processed:
1. Contact your
processor with the check details and the authorization code of the duplicate
transaction and request a refund be initiated.
with the check details and authorization code of the transaction refunded.
Linga will correct the reporting.