Require bodies to consider what effect their policy decisions will have on the ability of persons to use the language and on the principle of treating Welsh no less favourably than English.
er mwyn sicrhau na fydd effeithiau andwyol ar gyfleoedd i bobl ddefnyddio'r Gymraeg ac ar beidio â thrin y Gymraeg yn llai ffafriol na'r Saesneg.