Ar 10 Gorffennaf, cafodd y Rheoliadau Gwybodaeth i Deithwyr eu diwygio er mwyn newid cynnwys y datganiad iechyd cyhoeddus a gyflwynir i deithwyr yn ystod eu taith, ac i ddileu’r gofyniad i’r datganiad hwn gael ei gyflwyno ar lafar. Cafodd y cyfnod adolygu ar gyfer y Rheoliadau hefyd ei newid o bob 21 diwrnod i bob 28 diwrnod, gan ddechrau ar 23 Gorffennaf 2020.
On the 10 July, the Passenger Information Regulations were amended to alter the content of the public health statement that is made to passengers during their journey, and to remove the requirement for this statement to be provided orally. The review period for the Regulations was also changed from every 21 days to every 28 days, starting on 23 July 2020.