Useful to know for anyone with cancelled flights. A lot of airlines are trying to go against consumer law and force people with affected flights by COVID19 to take vouchers to rebook with rather than full cash refund.
https://www.headforpoints.com/2020/04/04/iag-has-a-e3-5bn-liability-for-unflown-flights/
https://www.headforpoints.com/2020/04/04/iag-has-a-e3-5bn-liability-for-unflown-flights/