The development planning system in Wales is evidence led and demonstrating how a plan is shaped by the evidence is a key requirement of the LDP examination.
Caiff y system cynllunio datblygu yng Nghymru ei harwain gan dystiolaeth ac mae dangos sut y caiff cynllun ei lywio gan dystiolaeth yn un o ofynion allweddol y broses o archwilio CDLl.