Defra’s Microchipping Regulations have been introduced and the microchipping of dogs will be compulsory in England from April 2016.
O dan Ddeddf Rheoli a Chasglu Trethi (Cymru), a gafodd ei phasio gan y Cynulliad Cenedlaethol ym mis Ebrill 2016, cafodd trefniadau eu sefydlu ar gyfer datganoli trethi yng Nghymru.