QBD 14 October 1986. Application by the borough council for judicial review , seeking orders of certiorari and mandamus to quash SoS decision and to direct him to exercise his powers under Town and Country Planning Act 1971 s205(2) by determining which of the two local authorities , the borough council or the county council, was the appropriate authority to be served blight notices . A notice was served on the borough council under s193 of the Act by a lessee of land affected by highway proposals, a respondent to the present proceedings; a similar notice was served on the county council. A reference of the objection was made to the LT, but proceedings were stayed, pending the resolution of the judicial review application. This application followed requests by the local authorities for a determination under s205(2) and a decision letter from the SoS which stated that the SoS was not empowered to choose between the two authorities, each being entitled to acquire the subject land, but i