No. 3 Electronic and Postal Communications (b) (c) Cap. 80 2010 33 issue access negotiations procedure and guidance on approval or rejection on co-location agreements; and place all co-location agreement in the public register. (2) The Authority shall, on infrastructure sharing determine standards of communication infrastructure and shall regulate(a) passive network elements including towers, masts, ducts, poles, power systems and cooling systems, among network facilities licensee; (b) active network elements including microwave transmission fibre, antenna access network and related elements and infrastructure sharing amongst network facilities licensees; (c) infrastructure sharing arrangements between network facilities licensees; (d) in liaison with the Tanzania Civil Aviation Authority established under Tanzania Civil Aviation Act the establishment of broadcasting stations so as to prevent harmful interference with aircraft navigation systems. (3) The provisions of this section shall not apply to towers, masts, ducts, poles, power systems and cooling systems, which have been constructed prior to the commencement of this Act. Interconnection, access, colocation and infrastructure sharing 30. The Authority shall (a) set forth rules procedures to be followed in settlement of interconnection, access, co-location and infrastructure sharing disputes; and (b) Prices for services to the public have a mandate to approve or reject communication services providers’ infrastructure sharing agreements. 31.(1) Subject to the provisions of this Act and any regulations or declarations made under this Act, electronic communications licensees may, for the applications services and