A GTAA must be agreed by Welsh Ministers by Deposit stage and cover the full plan period 2018 to 2033.
Rhaid i Weinidogion Cymru gytuno ar Asesiad Sipsiwn a Theithwyr erbyn y Cam Adneuo a rhaid iddo gynnwys cyfnod llawn y cynllun rhwng 2018 a 2033.