8.18 NRW must ensure that when disproportionate cost has been used as the basis for exemptions, the reasons for doing so are clearly set out in the RBMP.
8.18 Pan fo cost anghymesur wedi cael ei defnyddio fel sail i eithriadau, rhaid i CNC sicrhau bod y rhesymau dros wneud hynny’n cael eu nodi’n glir yn y Cynllun Rheoli Basn Afon.