O dan yr hawliau a ganiateir, rhaid i strwythurau gael eu symud i ffwrdd a rhaid i'r tir gael ei adfer i'w gyflwr blaenorol (neu i gyflwr y cytunir arno) cyn pen 12 mis ar ôl i'r datblygiad ddechrau.
Under the permitted rights, any temporary structures must be removed and the land restored to its previous condition (or to an agreed condition) within 12 months of the development starting.