These legal agreements are also known as Planning Obligations or Section 106 Agreements and they are secured pursuant to Section 106 of the Town and Country Planning Act 1990 (as amended).
Mae’n bosibl nad yw rhai mathau o waith a wneir i eiddo yn cael eu rheoli gan y Rheoliadau Adeiladu, ond eu bod yn hytrach yn cael eu cwmpasu gan Ddeddf Waliau Cydrannol 1996.