(b) for each service area that is within that area.
(3) For the purposes of this Part, the areas for which a person is a digital data service provider are taken to be a single area.
(4) A general digital data service provider for a general digital data service area must take all reasonable steps to fulfil the general digital data service obligation, so far as the obligation relates to that area.
(5) A special digital data service provider for a special digital data service area must take all reasonable steps to fulfil the special digital data service obligation, so far as the obligation relates to that area.