Regulation 3 outlines the situation and implications where, before 6April 2024, an AI became a RBCA, and submitted, and had accepted, an initial notice relating to higher-risk building work.
Mae rheoliad 3 yn amlinellu'r sefyllfa a'r goblygiadau lle daeth AI yn RBCA cyn 6 Ebrill 2024, a chyflwyno a derbyn hysbysiad cychwynnol sy'n ymwneud â gwaith adeiladu risg uwch.