11 Variation of permit on application of operator
1 An operator may apply in writing for a variation of the terms and conditions of a permit relating to the use or discharge of an offshore chemical in the relevant area.
2 Where the Secretary of State determines that a variation applied for by the operator would not be a substantial change, she may grant the application and vary the terms and conditions of the permit accordingly provided that she has taken into account any relevant representations regarding the application made by the consultation parties.
3 Where the Secretary of State grants an application pursuant to paragraph (2), she may make the granting of the application subject to such further conditions as she shall think fit.
4 Where the Secretary of State determines that the change would be a substantial change she shall refuse the application and serve a notice on the applicant which states that—
(a) the proposed change would be in the opinion of the Secretary of State a substantial change; and
(b) the application is refused.
5 Where an application made pursuant to paragraph (1) is granted, the Secretary of State shall issue to the applicant a notice giving details of the revised terms and conditions and the revised terms and conditions shall have effect once this notice has been served on the applicant.