As deposits come in from the merchant, the system applies them to any negative reserve balances held by departments, in order of their Department Priority setting.
If a department has a negative reserve balance, the deposit amount is applied to adjust the balance. The system cycles through the departments until the full deposit amount has been applied or no departments with a negative reserve balance remain.
For example, if a department has an existing reserve balance of ($500) and the incoming deposit is $200, the deposit is applied to the department's reserve balance, making the new reserve balance ($300).
After satisfying all negative reserve balances held by departments, any remaining deposit amount is processed through the normal Reserve Funding process as configured.
This chart outlines the incoming deposit workflow for merchants with a negative balance: