Rådhusets forvaltningstjeneste (Oslo Town Hall's procurement services) shall enter into an agreement with one provider of architectural and interior architectural services. The agreement shall cover award authority's requirements for architectural assistance and advice in the design, replacement, rehabilitation and new acquisitions related to construction measures and interior of the Town Hall's facade, office suites, banqueting rooms and technical areas. If necessary, the agreement may also include assignments relating to Heftyetunet at Frognerseteren.