If you have been assessed to have developed severe disability, the Agency for Integrated Care (AIC) will usually reimburse the full severe disability assessment fee with the first payout.  

To expedite reimbursements, AIC will also attempt to reimburse based on existing records:

a) The bank account registered with a government agency (e.g. to receive GST credit payouts)

b) The bank account currently used to receive payouts for schemes administered by AIC

c) PayNow registered under your NRIC number

A letter will be sent to you to inform you about the outcome of the reimbursement.  Please note that AIC will attempt to reimburse for three months, failing which, the assessment fee will not be reimbursed.  To facilitate reimbursement, we encourage you to register your NRIC for PayNow or register a bank account with a government agency (e.g. bank account to receive GST credit payouts).

This information is sourced from MOH