It says that they will email you a voucher a week before your travel date. But you can activate it immediately and use for any viewable travel dates.
I have a referral www.1cover.com.au/?rafID=411482, but not sure if it can be used in conjunction? I get a $20 gift card for each successfully referred policy. Cheers.
Do most people these days use the travel insurance that comes with platinum credit cards?