Pa waith monitro sy'n cael ei wneud i sicrhau bod yr holl daflenni gwybodaeth am y terfyn cyflymder 20mya yn cyrraedd pobl ac erbyn pa ddyddiad y disgwylir ar hyn o bryd i bob cartref fod wedi cael un?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 28/09/2023
Royal Mail completed the delivery cycle to households and businesses by 16 September 2023. Royal Mail is a trusted postal delivery service and the only door drop provider to be quality accredited by ABC. Royal Mail’s delivery service is monitored by Ofcom.