After you place your cryptocurrency buy or sell order, it is matched with existing orders in open order book. If a part of your order gets matched, it will be processed instantly. The remaining order will still be pending in the open order book to be processed. This is the partial order.
This fee is applicable to the maker of the transaction:
If partially processed - You will not get 0.59% rebate fees until the order is completed. Only after successful completion of your order, 0.59% fees will be reflected in your account.
Cancelled after partial completion - You will get 0.59% rebate fees on the partial order. Remaining order will be canceled and removed from the open order book.