A framework must not allow for the award of a contract to an excluded supplier (see section 45 of the Act) but may allow for the award of a contract to an excludable supplier.
Nid oes modd i fframwaith ddyfarnu contract i gyflenwr gwaharddedig (gweler adran 45 o'r Ddeddf) ond mae'n gallu dyfarnu contract i gyflenwr gwaharddadwy.