In these Regulations save where the context otherwise requires -

(a) a reference to a Part, Chapter or section is to a Part, Chapter or section of the Principal Act,

(b) a reference to a Schedule is to a Schedule to these Regulations,

(c) a reference to an article is to an article of these Regulations,

(d) a reference to a sub-article is to a sub-article of the article in which the reference occurs,

(e) a reference to a paragraph is to a paragraph of the sub-article or article in which the reference occurs.