Planning Policy Wales - Edition 12 was published in February 2024 and the SSSI Policy and Stepwise Approach were strengthened and updated.
Cyhoeddwyd Polisi Cynllunio Cymru - Rhifyn 12 ym mis Chwefror 2024 a chafodd y Polisi SoDdGA a'r Dull Stepwise eu cryfhau a'u diweddaru.