Thanks for the responses to my previous question about holding/booking each way so that you bag the best points seats, but I realised that the title of my question wasn't massively helpful!
The key part of my question was that if they can no longer hold the outbound until the inbound is released, or combine both ways into a return, how do you use a companion voucher?
The key part of my question was that if they can no longer hold the outbound until the inbound is released, or combine both ways into a return, how do you use a companion voucher?


