To ask the Scottish Government, further to the answer to question S5W-15397 by Humza Yousaf on 26 April 2018, what the terms of reference are of the consultation on the introduction of car parking charges at Sumburgh, Kirkwall and Stornoway airports; when it (a) opened and (b) will close; which island-based stakeholders are being or will be consulted; how the consultees are being advised that their views are being sought, and what action it is taking to ensure that the consultation follows the expected best...