History of rent control in England and Wales Certain definitions were introduced by the Council Tax (Liability for Owners) Regulations 1992 and subsequently amended by statutory instrument. Ers Mehefin 10fed 1993 mae Ysgrifennydd Gwladol Cymru, wrth ymarfer pwerau o dan Ddeddf Rhentu 1997 a estynnwyd gan Ddeddf Iaith 1967 drwy Offeryn Stadudol 1993/1511, wedi gwneud rheoliadau sydd yn rhagnodi fersiynau Cymraeg o’r ffurflenni y gellir eu defnyddio yn lle fersiynau Saesneg trwy Deddf Rhentu ac yn y blaen. (Ffurflenni Cymraeg a Manylion) Rheoliadau 1993. On 10 June 1993, the Secretary of State for Wales in exercise of powers under the Rent Act 1977 extended by the Welsh Language
History of the Welsh language Act 1967 was passed, giving some legal protection for the use of Welsh in official government business. The Act was based on the Hughes Parry report, published in 1965, which advocated equal validity for Welsh in speech and in written documents, both in the courts and in public administration in Wales. However the Act did not include all the Hughes Parry report's recommendations. Prior to the Act, only the English language could be spoken at government and court proceedings. Following the defeat of the Welsh Assembly "Yes Campaign" in 1979, and believing Welsh nationalism was "in a paralysis of helplessness",