The BIRT Evaluation Survey went live on 26 January 2023 and was available to all Welsh Government staff to complete until 10 February 2023.
Aeth Arolwg Gwerthuso yr Adnodd Adrodd Gwybodaeth Busnes yn fyw ar 26 Ionawr 2023 ac roedd ar gael i holl staff Llywodraeth Cymru ei lenwi tan 10 Chwefror 2023.