The Welsh Language Standards come under the Welsh Language Measure 2011 which was passed as a law by the National Assembly on 7 December 2010 and approved by Her Majesty in Council on 9 February 2011.
Daw’r Safonau Iaith o dan Fesur y Gymraeg 2011 a basiwyd fel deddf gan Gynulliad Cenedlaethol Cymru ar 7 Rhagfyr 2010 ac a gymeradwywyd gan Ei Mawrhydi yn Ei Chyngor ar 9 Chwefror 2011.