This query deserves some extra attention to details. Here's how it works. the following table will hopefully clarify your query!
Ledger balance Rs.
|SPAN required Rs.(2)||
Clear credit balance Rs.
(1) - (2)
|Payout request Rs.||Settlement details|
Payout request = Clear credit balance
|100000||30000||70000||70000||Payout processed for Rs 70000. Settlement considered as Standing Instruction settlement and thus settled for the quarter|
Payout request < Clear credit balance
|100000||30000||70000||50000||Payout of Rs 50000 processed. Rs 20000 balance available. Settlement is NOT considered as SI settlement|
Payout request > Clear credit balance
|100000||60000||40000||50000||Payout of Rs 40000 processed. Settlement is considered as SI settlement and thus settled for the quarter|