It says the UK government could alleviate “unbearable pressure” on the sector by allowing tourism companies to issue credit notes.
When PTRs were drafted they stipulated clients are entitled to a cash refund if a trip is called off.
Research conducted by the WTTC suggests one million travel jobs are at risk in the UK during the Covid-19 crisis, alongside 6.4 million in the EU and 75 million around the world.
WTTC has called PTRs “unfit for purpose” and asked for them to be suspended until at least August.