Paragraph 11 I1

Any dispute arising between the undertaker and the drainage authority under this Part, if the parties agree, is to be determined by arbitration under article 36 (arbitration), but otherwise is to be determined by the Secretary of State for Environment, Food and Rural Affairs and the Secretary of State for Business, Energy and Industrial Strategy acting jointly on a reference to them by the undertaker or the drainage authority, after notice in writing by one to the other.