17.— The operator of a dog breeding establishment shall notify the particulars of any sale or transfer of a dog kept by him or her at that establishment in writing to—

(a) the local authority in whose functional area the dog breeding establishment is situated, or

(b) the person charged with the maintenance of a database to which paragraph (aa) (inserted by section 26) of section 19(2) of the Act of 1986 F4[or regulations made under section 36 of the Animal Health and Welfare Act 2013] applies.