http://www.legislation.gov.uk/id/uksi/1951/967

PART IIRats and mice

4

All references in Part I of the Act to an owner or occupier of land, or to the duty of a local authority to secure that their district is so far as practicable kept free from rats and mice shall have effect subject to the following modifications:—

a

general references to an owner of land shall be construed as references to the owner of a vessel which is not a sea-going ship;

b

general references to an occupier of land shall be construed as references to the person having the custody or control of a vessel which is not a sea-going ship;

c

general references to the duty of a local authority to secure so far as practicable that their district is kept free from rats and mice shall be construed as including a duty to secure so far as practicable that any vessel in their district which is not a sea-going ship is kept free from rats and mice.