jim8flog
Journeyman Pro
Which RoG were your county union relying on, in order to disqualify a player for using their mobile phone.
Arguably the committee could use
G-8
Prohibiting or Restricting Use of Audio and Video Devices
Purpose. Rule 4.3a(4) permits a player to use equipment to listen to audio or watch video of matters unrelated to the competition being played. But the Committee can adopt a Local Rule prohibiting the use of audio and video devices altogether during a round. Model Local Rule G-8 "Rule 4.3a(4) is modified in this way: During a round, a player must not listen to or watch content of any nature on a personal audio or video device.