The Bill was introduced to Parliament in April 2009 and following successful passage through the House of Commons and the House of Lords received Royal Assent in April 2010.
Cyflwynwyd y Mesur gerbron y Senedd ym mis Ebrill 2009 ac ar ôl taith lwyddiannus drwy Dŷ’r Cyffredin a Thŷ’r Arglwyddi cafodd y Mesur Gydsyniad Brenhinol fis Ebrill 2010.