xmlns:atom="http://www.w3.org/2005/Atom"
8Regulations may—
(a)specify the form and content of an assessment notice, a discharge notice or a withdrawal notice;
(b)specify the manner in which an assessment notice, a discharge notice or a withdrawal notice may be given;
(c)specify when a discharge notice may be given;
(d)specify circumstances in which a withdrawal notice must be given;
(e)make provision for determining the day on which an assessment notice, a discharge notice or a withdrawal notice is to be regarded as given.