Following the extraordinary circumstances of the global COVID-19 outbreak, some countries have recently passed laws in support of the Live Events and Tourism industry regarding events and booking postponement and cancellation.

Current legislation:

Portugal

Decree Law No. 10-I/2020 (link) 

Supports events which are postponed due to COVID19 restrictions to rescheduled to a future date.
The rescheduled show must take place within one year from the date originally planned.

If it is necessary to replace the ticket for the rescheduled show, due to a change of location, date or time, the customer will not incur additional costs.

If the show is rescheduled, the final consumer is not entitled to return the ticket.