Sarah Storey from Welsh Treasury, gave a presentation on Landfill Disposals Tax (LDT), the second fully devolved tax in Wales.
Rhoes Sarah Storey o Trysorlys Cymru, gyflwyniad ar y Dreth Gwarediadau Tirlenwi (LDT), yr ail dreth wedi'i datganoli'n llawn yng Nghymru.