If the debt under the main contract expires and the debtor fails to fully perform it, Party B shall unconditionally perform the guarantee responsibility within [ten] working days from the date of receiving the notice from Party A.
If the debt under the main contract matures and the debtor has not fully performed it, Party B shall, within ten working days from the date of receipt of Party A's notice, unconditionally perform its guarantee responsibility.
If the debt under the main contract is due and the debtor fails to fully perform, Party B shall unconditionally perform the guarantee responsibility within [ten] working days from the date of receiving Party A's notice.<br>