Skywards Miles will expire (and be deducted from the Member's Account) at the end of the month of a Member's birthday on/after the third anniversary of the relevant flight or applicable transaction. The precise period of validity of the Skywards Miles will depend on when a Member's birthday occurs but the validity of Skywards Miles shall not be less than three years. Unused, expired Skywards Miles, once deducted from the Member's Account, cannot be re-credited.