14. Power of entry---(1) Where any dog control officer has good cause
 to suspect that an offence against this Act or against any bylaw made
 under this Act is being committed on any land or premises, the dog
 control officer, and all persons he or she calls to his or her
 assistance, may enter at any reasonable time onto the land or
 premises---
   (a) To inspect any dog for the time being appearing to be kept on that
         land or premises or to inspect the conditions in which any such
         dog is kept; and
   (b) If authorised under any other provision of this Act, to seize or
         take custody of any dog on the land or premises.

   (2) Where any dog control officer has good cause to suspect that an
 offence against this Act or against any bylaw made under this Act has,
 at any time in the preceding 6 months, been committed in respect of any
 dog for the time being appearing to be kept on any land or premises, the
 dog control officer, and all persons he or she calls to his or her
 assistance, may enter at any reasonable time onto the land or
 premises---
   (a) To inspect any dog on the land or premises; and
   (b) If authorised under any other provision of this Act, to seize or
         take custody of any dog on the land or premises.

   (3) Nothing in this section shall authorise any dog control officer to
 enter any dwellinghouse unless---
   (a) He or she is authorised in writing to do so by a Justice, who
         shall not grant such an authority unless the Justice is
         satisfied that the requirements of subsection (1) or subsection
         (2) of this section have been met; and
   (b) He or she is accompanied by a constable.