any information given under regulation 38 of the Building Regulations 2010 (such as the information provided when a building is built or extended)
Rhaid i’r hysbysiad contract, neu’r dogfennau a ddarperir yng nghynnwys yr hysbysiad (er enghraifft dogfennau tendro), gynnwys yr wybodaeth a nodir yn atodlen 9 i’r rheoliadau.