A competent harbour authority may arrange for its functions in relation to the provision of pilotage services (other than its functions under sections 2(1), 3(1), 4(2), 6(1)(b), 7(1), 8(1) above or section 28 below or its function of determining the qualifications to be required from persons applying for authorisation under section 3(2) above or any charge to be imposed under section 10(1) or (3) above) to be exercised on its behalf by such other persons as it thinks fit and may establish such companies as it thinks fit to exercise those functions on its behalf.

A competent harbour authority may arrange for all or any of its functions relating to pilotage other than its duty under section 2(1) above to be exercised on its behalf by another competent harbour authority.

Two or more competent harbour authorities may arrange to discharge any of their functions relating to pilotage jointly and such arrangements may provide for the discharge of such functions by a joint committee or any other body established by the authorities for that purpose.

An authority which has entered into arrangements with another authority under subsection (2) or (3) above may withdraw from the arrangements on giving reasonable notice to the other authority.