Pan adawodd y DU yr UE, cyhoeddodd legislation.gov.uk ddeddfwriaeth yr UE a gyhoeddwyd gan yr UE hyd at ddiwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.). Ar legislation.gov.uk, mae'r eitemau hyn o ddeddfwriaeth yn cael eu diweddaru'n gyson ag unrhyw ddiwygiadau a wnaed gan y DU ers hynny.
Point in time view as at 31/12/2020.
There are currently no known outstanding effects by UK legislation for Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU), Division (1).
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Mae’r holl gynnwys ar gael dan Drwydded Llywodraeth Agored v3.0 ac eithrio ble nodir yn wahanol. Yn ychwanegol mae’r safle hwn â chynnwys sy’n deillio o EUR-Lex, a ailddefnyddiwyd dan delerau Penderfyniad y Comisiwn 2011/833/EU ar ailddefnyddio dogfennau o sefydliadau’r UE. Am ragor o wybodaeth gweler ddatganiad cyhoeddus Swyddfa Gyhoeddiadau’r UE ar ailddefnyddio.
