4. Rule 2 of the principal Rules is amended —
(a)
by deleting the words “section 3” in the definition of “competent authority” and substituting the words “section 5”; and
(b)
by deleting the full-stop at the end of the definition of “person” and substituting a semi-colon, and by inserting immediately thereafter the following definition:
“ “private parking place” has the same meaning as in section 2 of the Act in so far as it relates to the parking or housing of one or more heavy vehicles.”.