The RPR will be informed in writing, including details such as the purpose of the deprivation of liberty and the period for which it is to be in place.
Bydd Cynrychiolydd y Person Perthnasol yn cael ei hysbysu'n ysgrifenedig, gan gynnwys manylion megis pwrpas amddifadu o ryddid a'r cyfnod y bydd ar waith.