http://www.legislation.gov.uk/anaw/2017/3/section/98/enacted/welshDeddf Treth Gwarediadau Tirlenwi (Cymru) 2017cyKing's Printer of Acts of Parliament2017-09-12RHAN 6DARPARIAETHAU TERFYNOL98Enw byrEnw byr y Ddeddf hon yw Deddf Treth Gwarediadau Tirlenwi (Cymru) 2017.