(1) Roof-gutters shall have a sufficient capacity and fall to ensure that the rain water will not be retained at any point.
(2) If any member of the Service finds mosquitoes in their aquatic stages in water collected in a roof-gutter he or she shall give notice thereof in writing to the owner or occupier of the premises or other person responsible for the maintenance of the roof-gutter, and such notice shall require the person on whom it is served to take action within the time specified in the said notice to prevent mosquito larvae from being in the roof-gutter.
(3) If action be not taken within the time specified in the said notice to prevent mosquitoes in their aquatic stages being in the roof-gutter, and if mosquito larvae are again found in the roof-gutter, any member of the Service shall have power to take such action as may be required to prevent mosquito larvae from being in the roof-gutter.
(4) Owners or occupiers of premises shall keep trimmed and free from mosquito larvae all trees, shrubs, hedges, and plants, and prevent all trees and shrubs from overhanging roof-gutters on his or her or any other person's premises.
(5) If in the opinion of a member of the Service the owner or occupier of premises is keeping the same in a condition which is not in accordance with the provisions of the preceding paragraph, he or she shall serve a notice upon the said owner or occupier requiring him or her within the time specified therein to carry out the terms of the said notice, and on failure of the said owner or occupier to comply with the terms of the said notice, he or she commits a breach of these Regulations, and any member of the Service may take such steps as may be required to trim trees or render the said premises free from mosquito larvae or otherwise secure compliance with the provisions of the said paragraph.