Make payment via bank transfer to the British Council (bank account details can be found in the registration form). To facilitate tracking of your payment, quote your name and the examination you are taking (i.e. BMAT) in the comments section of your transaction. Then, email the registration form to this email address.
Alternatively, you may register and pay in-person at the British Council Napier Road Centre. Registration before the standard deadline costs SGD 365, while registering before the late deadline (October 15, 2021) costs SGD 445.