this amount is the project fee Clause E 2014 that was overcharged compared to actual fee so we agreed with the client to credit note back to them.
But client would like to make it to be saving amount with us and now they would like to use this saving to deduct with other project fee (commission fee on media) on current campaign krub.
So I’d assume that client could use this amount to deduct with other project fee which client requested to be promotion campaign krub.