xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"

  1. Testun rhagarweiniol

  2. 1.Enwi, cychwyn, cymhwyso a dehongli

  3. 2.Diwygio Gorchymyn 2012

  4. 3.Diwygio Gorchymyn 2016

  5. Llofnod

  6. Nodyn Esboniadol