Anogodd y Gweinidog y Canghellor hefyd i gymryd camau i ôl-ddyddio’r cymorth i fusnesau a gweithwyr yng Nghymru am bob un o 17 diwrnod y cyfnod atal fel nad ydynt o dan anfantais.
The minister also urged the chancellor to take action to backdate support for Welsh businesses and workers for the entirety of the 17 day firebreak so they were not disadvantaged.