The market opened up further on 27 July 2020 to coincide with a change in LTT rates on that date which was effective until 30 June 2021.
Agorodd y farchnad ymhellach ar 27 Gorffennaf 2020 i gyd-fynd â’r newid yng nghyfraddau TTT o’r dyddiad hwnnw hyd at 30 Mehefin 2021.