CardUp Income Tax Promo: Opportunity to Get Up to 1.64% Cashback or Buy Miles From 1.07¢

It’s the season to pay the taxman again, and CardUp has a promo for your tax payments! Until 31st August 2023, you can use SETHTAX23 to pay with a Visa card for a discounted 1.75% fee for income tax payment.

The promo is also works for existing users!

New users might want to take advantage of the first-payment fee waiver first, then use this code as an existing user to enjoy both promos.

Opportunity for buying miles or enjoying cashback

When it comes to payment services like CardUp, the magic formula is always:

Rewards – Service Fee = Net Gain

Your goal would thus be to increase the rewards by using a good card (see below), and to decrease the service fee which this promo does.


Get up to S$740 bonus vouchers or 74,000 bonus miles on top of usual welcome offers!

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New user promo – get miles or cashback for free

If you are a new user, you are eligible for S$30 off the fee of your first payment. This would be a transaction of around S$1,150 for free! Use the link below and code SETHISFY to enjoy the offer.

There’s also an ipaymy new user promo you could take advantage of. If your tax bill is big enough, you could consider using CardUp to pay off S$1,150 and ipaymy to pay off S$1,330. That is S$2,480 worth of spending that’d get free cashback or miles!

You can thereafter use SETHTAX23 for your tax payments.


New user, use this first: sign up and use code SETHISFY Get S$30 off transaction fee ¹

(Free miles/cashback for a payment of about S$1,154!)
New or existing users: use code SETHTAX24Reduced 1.75% fee² for income tax payment
(Visa or China Unionpay only)
New or existing users: use code MCTAX24Reduced 1.99% CardUp fee³ for income tax payment
(Mastercard only)

Tap here for guide

Terms and conditions:

  1. Terms and conditions for SETHISFY
  2. Terms and conditions for SETHTAX24
  3. Terms and conditions for MCTAX24


Ongoing promo

Activity Reward
New user: sign up hereGet S$30 off transaction fee

(free miles/cashback for a payment of about S$1,333!)
Existing users: code TAX2024Reduced fee of 1.75% for income tax payment with a VISA card. Code can only be redeemed once

After signing up with the link, an email will be sent to you with the code.

Cashback cards to use for 1.75% promo

Because the income tax code also works for recurring payments, Maybank Platinum Visa is a great card to use, and you can split up your income tax into monthly payments with IRAS to meet the spend requirement of the card.

For more one-off transactions, OCBC FRANK and Bank of China Family cards should work nicely.

CardEarn RateSweet Spot Before 1.75% FeeEffective Gain
Maybank Platinum Visa3.33%S$294.85/month for 3 months; or
S$982.81/month for 3 months
S$30 – S$15.45 = S$14.55
(1.64% cashback)
S$100 – S$51.57 = S$48.43
(1.64% cashback)
OCBC FRANK3.125% S$786.25S$25 – S$13.75 = S$11.25
(1.44% cashback)
Bank of China Family3%S$786.25S$24 – S$13.75 = S$10.25
(1.30% cashback)

Miles cards to use for this promo

Whether to buy miles depends on your valuation of each mile. If you value business class flights and/or redeem promotional fares, buying miles can be a very worthwhile endeavour:

CardEarn RateCost Per Mile
1.6 miles per dollar cards (e.g. DBS Insignia, Citi ULTIMA, UOB Reserve)1.6 miles per dollar1.07¢
DBS Vantage1.5 miles per dollar1.15¢
UOB PRVI Miles1.4 miles per dollar1.23¢
OCBC 90°N1.3 miles per dollar1.32¢
1.2 miles per dollar cards (e.g. DBS Altitude)1.2 miles per dollar1.43¢

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