4. If an applicant for an aerial spraying permit—
(a)has been informed by the appropriate United Kingdom competent authority that the application plan accompanying that application has been approved; but
(b)has not received confirmation that an aerial spraying permit covering all or part of the applications referred to in that plan has been granted before the published deadline for the appropriate United Kingdom competent authority to communicate that decision,
the application for that aerial spraying permit is deemed to be approved.