Rhoddodd Prif Weinidog Cymru Carwyn Jones y Sêl Gymreig ar y Breinlythyrau yn ystod y seremoni selio, ac roedd Mark Drakeford, Ysgrifennydd y Cabinet dros Gyllid, hefyd yn bresennol.
The First Minister of Wales Carwyn Jones applied the Welsh Seal to the Letters Patent at the sealing ceremony, which was also attended by Finance Secretary Mark Drakeford.