What is the Gull Effect?

Gull is independently credited with keeping the fuel market competitive and giving savings to the Kiwi motorist through what the Automobile Association called the ‘Gull Effect’, which is the response to a localised price drop trend across competitors following Gull’s introduction into a new geographic location.

Can I receive a receipt for a past fuel purchase?

You sure can. Simply send the below information to reception@gull.nz and your receipt will be delivered straight to your Inbox.

  • The Gull site you visited
  • The date and time of your transaction
  • The pump number used and fuel grade purchased
  • The last four digits of your bank card
  • Your email address

Can I use any of your vouchers, Discount Day or $20 denomination, at an unmanned site?

Unfortunately not, sorry! Gull vouchers can only be used at manned sites, which have the correct point-of-sale software to be able to scan the vouchers.


I purchased fuel and noticed a second transaction on my account for $200.00.

In order to offer pay-at-pump, banks require us to use the pre-authorisation process, which checks for available funds in your account of up to $200 and places those funds on hold inside your account. When you hang up the nozzle to complete the transaction, our payment terminal sends a transaction for the amount dispensed and requests the $200 hold be released. Please note that a pre-authorisation can occur whether fuel is or isn’t dispensed.

Unfortunately, while we are required to operate via this method, the banks do not universally follow a process for releasing the holds and for many non-bank credit cards (e.g. Gem Visa) or international credit cards, it can take a few days to release. With the major banks the release is generally instantaneous.

For that reason, we felt it best to implement a warning to cardholders who don’t bank with the major NZ banks to make sure you’re aware of process occurring. We’ve been working extensively with the major NZ banks, encouraging them to get their releases happening in real time and are hoping to work with other domestic card issuers to get assurances from them too.

Gull New Zealand doesn't hold the money and we only charge you for the fuel you purchase.

Here is a handy guide on what to expect from your bank and who to call should the pre-authorisation transaction leave you short:

For Credit Cards all should be fine. There should be no pre-authorisation hold.  Gull is completing testing here but all looks good so far. For Visa or MasterCard Debit Cards– If you select “credit” by error instead of “cheque” or “savings” then there may be a pre-authorisation hold.  If you need fund released immediately, call ANZ on 0800 269 269; they will be able to release your funds immediately. ANZ are working to remove the display of “credit” to remove this issue.


If you are using an ASB-branded EFTPOS, Debit or Credit card, you should not see any pre-authorisation holds in your account.


BNZ has indicated that they have resolved pre-authorisation issues on Debit and Credit cards. Gull are still testing this but so far it's looking good. If you do experience a hold on your BNZ Card, you can call BNZ direct on 0800 275 269 and request that they remove the pre-authorisation.  As long as everything is in order, they will release funds immediately.


If you are using an Kiwibank-branded EFTPOS, Debit or Credit card, you should not see any pre-authorisation holds in your account.


Westpac has indicated that they have resolved pre-authorisation issues on Debit and Credit cards. Gull are still testing this but so far it's looking good.

If you do experience a hold on your Westpac card, call Westpac on 0800 888 111; they will be able to release funds within 1-2 hours. If it’s urgent, a team leader can release the funds immediately.