Yes i think so, by 31 August all the fund will be locked in after 31 august if less then the fund being locked in, zero bonus interest. If you add in new fund after 31 aug the new fund will not entitle to have bonus interest.
Customer made a fresh funds deposit of S$280,000 during Promotion Period and made a withdrawal of S$30,000 after 31 August 2018. Promo Bonus Int entitled is S$0 due to unable to maintain the deposits.
Can I make multiple deposit of fresh funds?
Yes, as long as the fresh funds deposit is in the POSB Bonus Interest Account by 31 August 2018.