3. Yn Atodlen 2 i Reoliadau’r Gwasanaeth Iechyd Gwladol (Cytundebau Gwasanaethau Deintyddol Personol) (Cymru) 2006(1) (darparu gwasanaethau: unedau o weithgaredd deintyddol ac unedau o weithgaredd orthodontig), ym mharagraff 1, ar ôl is-baragraff (2) mewnosoder—
“(3) Where a patient is referred by the contractor for advanced mandatory services to another provider of primary dental services, the appropriate number of units of dental activity provided by—
(a)that contractor; and
(b)the other provider of primary dental services, if that provider is also a contractor, must be calculated on the basis of the components of the course of treatment which they actually provide, notwithstanding that the treatment constitutes a single banded course of treatment for charging purposes.”.