CODEWITHSUNDEEP
emvverifonemastercard
knk
knk

Reputation: 45

VerifoneEMV: Second Generate AC?

I am working on MasterCard Acquisition project using emv Module 6.2. I can successfully generate 1st Ac and retrieve tags from it properly but i am asked to include also the result of the 2nd AC in my ICC data before transmission to the issuer.

How can i generate the 2nd AC and include it in my field 55?

Upvotes: 2

Views: 10718

Answers (1)

Adarsh Nanu
Adarsh Nanu

Reputation: 2211

There looks to be some misunderstanding in what you need. can you explain the complete context. Below is how you deal in ideal environment. In first generate AC

  1. if you get ARQC you send it online to issuer.
  2. If you receive TC you approve the transaction offline.
  3. If it is AAC you decline offline.

Now assume you get ARQC and you are not able to go online, you check default action codes and if allowed you request for TC in second generate. If you get TC your transaction is approved offline, else you get AAC and transaction is declined!!!

---------------------05-Dec-2016-----------------------

Ok then i guess this is what you are looking for. CVR Byte 1 Bit 8 will tell whether second generate AC was requested or not. In an online transaction(after 1st Gen AC) this will be 1.Can you check what is it that you are sending now ?. Check the image for more information. enter image description here

Now you may not need action codes but fyi, you have three types of action codes. denial (to decline the transaction offline), online( to send transactions to issuer), default( to decide on how to proceed when online was opted but unable to. There are two sets of action codes - Terminal( which is used in terminal action analysis) and issuer( which is used by card action analysis). download emv books here to read more.

Btw, are you doing M-TIP ?

Upvotes: 5

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