Correcting errors


R

renae

Is there any way to change the tender type that a Cashier has entered if they
do it wrong? Someone settles the credit card as AMEX when it's really a Visa
and I want the Z report to be correct. Any ideas?
 
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G

Glenn Adams [MVP - Retail Mgmt]

If you still have the card available, void the sale then re-enter it.

If you don't have the card, it's really not worth the trouble or the risk...

To prevent this from happening again, setup Validation masks for each
credit card tender type.

Amex:
3##############
MC
5###############
Visa
4###############
Discover
6###############


Glenn Adams
Tiber Creek Consulting
http://www.tibercreek.com
(e-mail address removed)
 
T

Terrible Tom

In instances where the tender was received properly but entered as the wrong
tender type, simply void the transaction then re-enter using the correct
tender type.

This may not work very well if your CC processing is integrated with RMS.

We have separate CC machines, so voiding and re-entering is not too much
trouble.

HTH,
Tom
 
S

Steve

Glenn
Is there a way to combine MC and Visa together in one tender type with a
validation mask? thanks
 
G

Glenn Adams [MVP - Retail Mgmt]

No, all you would be able to validate that way would be the length, and
Discover would also fit that. If you want to validate card types at
all, you have to separate all of them.
 
P

PRJ

Would you please advise what a "validation mask" is and how to create one?

Thanks.
 
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J

Jeff

WineGuy,

A validation mask is a required entry that is acceptable to the program.
The validation masks the Glenn offered mean, for example the AMEX one; the
card number must start with a 3 and have 14 numbers after it.

A Visa card number always starts with a 4 and must have 15 numbers after it.

To create a mask for a credit card. go into SO Manager | Database | Tender
types | select a credit card type | Verification tab | Validation Mask | put
in the appropriate one for the card type you're in.

Now do the rest for the card tenders you accept and then restart the POS
program
 
M

mitchell

Regarding the masking of card numbers... It should be mentioned that Visa
Cards can range from 13 to 16 digits... If you create a mask with 15 "#"
after the 4 what would be the impact of entering a 13 digit visa card number,
Would the mask still accept it or would if require a minimum of 16 digits???
 
G

Glenn Adams [MVP - Retail Mgmt]

I've never heard of a Visa card that isn't exactly 16 characters long.
Are you thinking of some sort of private label card? Jeff's
instructions assume that you have specific tender types set up for each
specific card type. All cards of a given type should fit into aconsisten
set of rules - that is why the masks are called "Validation Masks" -
they validate that the card as read fits the rules as published...

But yes, the 16 digit mask would reject a 13 digit card number.
 
M

mitchell

Yes. There are legitamate Visa Card numbers that are only 13 digits long...
I''ve worked in the bancard industry for sixteen years, and one of the things
we do is advise developers when they are certifying new applications to
process credit Card transactions... As far back as I can remember Visa has
always issued card either 13 or 16 digits... (what I have never seen is a 14
or 15 digit #)

My recommendation to anyone wanting to use a mask is to use the wild card...
(ex... 4* as opposed to 4###############)
I would however suggest using the # placement on the other card types as
validation since they are consistent...
 
C

Craig

I also have never seen a Visa number that wasn't 16 digits. Not arguing with
you, but with 15 years in retail I would say that 16 digits is what your
going to get with visa transactions.
Craig
 
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G

Glenn Adams [MVP - Retail Mgmt]

That's interesting. I found some code samples for validation scripts
that agree that Visa can be either 13 or 16 characters, but nothing
official from Visa.

The only reference that I did find from Visa was buried in a PDF and
only mentions 16 digit cards:
http://merchants.visa.com/prevention/pdfs/Card_Acceptance_and_Chargeback_Guidelines.pdf

See Account Number in the Glossary

You would think that card validation rules would be easy to find, but
they aren't. Do you have a link from Visa that lays out the
specification better?

Thanks,
Glenn
 

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