Yn adran 324 (hawliau mynediad), ar ôl is-adran (1A) mewnosoder—

“(1B)

Any person duly authorised in writing by the Welsh Ministers or by a strategic planning panel may at any reasonable time enter any land for the purpose of surveying it in connection with the preparation, revision, adoption or approval of a strategic development plan under Part 6 of the Planning and Compulsory Purchase Act 2004.”