The Scottish Ministers shall take such steps as they consider fit to ensure that licences, declarations and notices are brought to the attention of those who may be affected by them as soon as is reasonably practicable, and in particular, shall ensure that the extent of any zone declared under these Regulations, the nature of the restrictions and requirements applicable within it, the date of its declaration and the date that declaration ceases to have effect in respect of the zone or any part of it, are publicised.