3.—(1) An inspector may, by notice served upon the occupier of any premises (including a dwelling house) or upon the owner or person in charge of any vehicle by which a specified pathogen, carrier or material is or has been present in contravention of this Order or of a licence issued under it, require the person on whom the notice was served to cleanse and disinfect such premises, place or vehicle in such manner as that inspector may by such notice specify at the expense of the person on whom the notice is served.
(2) Where the requirements of such a notice have not been complied with, the inspector may carry out or cause to be carried out the cleansing and disinfection specified in the notice at the expense of the person on whom the notice has been served.