Rebate Record is calculated by the Rebate logic element with Calculation Context "rebateRecord".
The rebate logic is executed either manually by a user (on the Rebate Record Detail screen) or by the Rebate Calculation process.
The logic usually does
calculation of rebate estimations or final numbers for
accruals
payouts
preparation of "Calculation Base" - a filter, which describes which Transactions will be influences by the calculated rebate
This calculation is mostly triggered by the Rebate Calculation process.