BA Companion Voucher – cancelling one passenger on return leg only

[steviewander]

Hi, my understanding is the to fulfil the conditions of a BA companion voucher, two passengers must be booked for an outbound flight. Does anyone know if it is allowed to book a return BA flight using a companion voucher and then amend afterwards by cancelling one passenger for the return flight with just the main passenger (holder of the companion voucher) returning on their own? If allowed, do taxes and fees get refunded for the non-returning portion? Thanks in advance.