PURCHASE AT POINT OF SALES
STEP 1:
Choose the type of account
I is for Saving, II is for DDA III it is for credit line.
STEP 2:
Verify the amount of your purchase
STEP 3:
Input the secret number or PIN
STEP 4:
Press the key ENTER
STEP 5:
Sign the sales receipt, and keep the copy and take your Clave card.