Town and Country Planning (Trees) Regulations 1999 (SI 1892), as they currently apply in Wales (following amendment by SIs 2012/792, and 2017/548)
Rheoliadau Cynllunio Gwlad a Thref (Coed) 1999 (OS 1892), fel y maent yn gymwys yng Nghymru ar hyn o bryd (yn dilyn eu diwygio gan OS 2012/792, a 2017/548)