Gellir dod o hyd i'r hysbysiad yn:https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/887061/2020-05-21_JMC_EN__Communique_UPDATED.pdf(wefan allanol)
The communique can be found at:https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/887061/2020-05-21_JMC_EN__Communique_UPDATED.pdf(external link).