(1)A county council or a local authority—
(a)may provide, whether within or without their county or district, tanks or other apparatus for cleansing shellfish ; and
(b)may make charges in respect of the use of any tank or other apparatus so provided.
(2)A county council or a local authority may contribute towards the expenses incurred under this section by any other council or any joint committee, or towards expenses incurred by any other person in providing, and making available to the public, means for cleansing shellfish.
(3)Any expenses incurred by a county council under this section shall, if the Secretary of State by order so directs, be defrayed as expenses for special county purposes chargeable upon such part of the county as may be provided by the order.
(4)In this section "cleansing shellfish" includes the subjection of shellfish to any germicidal treatment
(5)Nothing in this section authorises the establishment of any tank or other apparatus, or the execution of any other work, on, over or under tidal lands below high-water mark of ordinary spring tides, except in accordance with such plans and sections, and subject to such restrictions and conditions as may before the work is commenced be approved by the Secretary of State.