The WRA was created on 18 October 2017 and therefore the 2017-19 period covers the period from 18 October 2017 to 31 March 2019.
Crëwyd ACC ar 18 Hydref 2017 ac felly mae’r cyfnod 2017-19 yn cynnwys y cyfnod o 18 Hydref 2017 hyd 31 Mawrth 2019.