HMRC are responsible for the collection and management of the revenues from income tax by virtue of section 5(1)(a) of the Commissioners for Revenue and Customs Act 2005.
CThEF sy’n gyfrifol am gasglu a rheoli’r refeniw o dreth incwm yn rhinwedd Adran 5(1)(a) o Ddeddf Comisiynwyr Cyllid a Thollau 2005.