PART 10Prohibited behaviour, directives, rules, powers and penalties
CHAPTER 4Powers and penalties
Certificates, authorisations, approvals and permissions269.
Wherever in this Order there is provision for the issue or grant of a certificate, authorisation, approval or permission by the CAA, unless otherwise provided, such a certificate, authorisation, approval or permission—
(a)
must be in writing;
(b)
may be issued or granted subject to such conditions as the CAA thinks fit; and
(c)
may be issued or granted, subject to article 253, for such periods as the CAA thinks fit.