You can choose to either set your source of fund for the card from Boost Wallet or Boost PayFlex.
a. If your selection is Boost Wallet, all payments made using the card will be deducted from your Boost Wallet balance.
b. If your selection is Boost PayFlex, all payments made using the card will deducted from your Boost PayFlex limit. You can choose in your PayFlex Dashboard Settings to either default paying using Pay in 30 days or Instalments.
Please refer to Boost PayFlex section for more information.