Here's the instruction on the payment for shares if you are on EPS Payment System

ATM Payment

(Example)
 
•   Insert ATM card
•   Key in your PIN
•   Select “Electronic Share Payment”
•   Select Lim and Tan Securities Pte. Ltd
•   Select “Payment by Contract” or [“Payment by Lump Sum” - for payment of several contracts combined]
•   Key in Contract Number or Amount to pay
•   The system will display Lim and Tan Securities Pte. Ltd., your trading account number, contract number (if applicable) and the amount for your confirmation.
•   Upon confirmation, your account will be debited with the amount.
•   Collect the receipt and safekeep as record
 
Am providing 2 examples below for Internet Banking, the procedure would be similar among different banks:

Internet Banking
 
(Example, DBS iBanking)
 
•   Log into your internet banking account
•   Select Payment Services
•   Select Bill Payment
•   Select "LIM & TAN SECURITIES" as your Payee
•   Select which of your related account to Pay From
•   Key-in the required amount
•   When asked for Consumer Reference No, key in your account number (if required, add a zero in front)
•   Choose immediate payment.
•   Click submit.
•   Complete the rest of the procedure.
 
(Example, OCBC Internet Banking)
 
•   Log into your internet banking account
•   Select Bill Payment
•   Choose From Account, and select your bank account.
•   Select Bill Payment
•   Organisation - Select "LIM & TAN SECURITIES PTE LTD"
•   When asked for Bill Reference No, key-in your Lim & Tan Securities Trading account number, with a zero in front.
•   Key in the required amount.
•   Payment date: leave as it is, i.e. the day the transaction is made.
•   Click "Preview" and go through the details to ensure all's well.
•   Once everything is okay, hit 'Submit'
•   If desired, you could print/save the transaction record.