Cyflwynodd y Rheoliadau Diogelu Iechyd (Coronafeirws, Gwybodaeth Iechyd y Cyhoedd ar gyfer Personau sy’n Teithio i Gymru etc.) 2020 (“y Rheoliadau Gwybodaeth i Deithwyr”) ofynion i weithredwyr gwasanaethau teithwyr rhyngwladol awyr a môr roi gwybodaeth i'w teithwyr am y coronafeirws a’r ddyletswydd i hunanynysu, yn ogystal â gwybodaeth am ganllawiau iechyd y cyhoedd. Daeth y gofynion hyn i rym ar 17 Mehefin 2020.
The Health Protection (Coronavirus, Public Health Information for Persons Travelling to Wales etc.) Regulations 2020 (“the Passenger Information Regulations”) introduced requirements for operators of international air and sea passenger services to provide their passengers with information about coronavirus and the duty to self-isolate, as well as information on public health guidance. These requirements came into force on the 17 June 2020.