Create a separate entry for each participating person and identify who is paying. The published family terms add both processing fees and gifts.
Avoid one unexplained household transfer
Use current official instructions to determine how amounts must be submitted and attributed; this guide does not prescribe a combined-payment method. Reconcile the participant list with counsel before paying. A budget covering several people does not establish that all of them have been included correctly in the application.
Avoid a single unexplained household transfer covering several people, since it creates a reconciliation problem that persists for the whole process. Where charges attach to individuals, pay them in a way that can be matched to each person, either separately or with a clear breakdown recorded and acknowledged. Establish who is paying for whom, particularly where an adult family member has their own resources or where a third party is contributing, since a payment made by one person on another's behalf is an arrangement that may need explaining.
Keep the payment record aligned with the person-by-person list used elsewhere. If a family member later withdraws, a clearly attributed payment record is what makes it possible to establish what was paid on their account. Where an adult family member is paying for themselves, keep their records in their own file rather than merging them into a household set, since their position may need to be established independently at some later point.