These components can be assessed in stages – for example, a provider that does not meet the basic selection criteria may be discounted without further assessment.
Gellir asesu’r cydrannau hyn fesul cam - er enghraifft, efallai y bydd darparwr nad yw’n bodloni’r meini prawf dethol sylfaenol yn cael ei ddiystyru heb asesiad pellach.