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HONG KONG ANNUAL REPORT
of their patients, section 27 of the Ordinance completely prohibits an unregistered medical practitioner, other than one exempted from registration by section 28, from practising western medicine whether for gain or not. Although this Ordinance came into operation on 1st June, 1957, the Ordin- ance provides that section 27 shall not come into operation until a day to be appointed by the Governor by Proclamation in the Gazette. This has not yet been done. This legislation is also dealt with at pages 145, 146 of Chapter 9.
Aviation. The extension of Hong Kong Airport and the prospect of using the Airport by night necessitated the enact- ment of the Hong Kong Airport (Control of Obstructions) Ordinance, No. 27. This Ordinance is primarily concerned with the safety of aircraft using the Airport and it provides for the elimination of hazards which might imperil them. The Ordinance empowers the Governor in Council by order to prescribe areas within which all buildings are prohibited, or within which no building shall exceed a specified height, and also to require the demolition or reduction in height of buildings to comply with such orders. Power is also given in the Ordinance to require marking and lights on buildings, and the provision of warning and guiding lights and beacons; power is also given for the extinguishing in emer- gencies of lights which might be misleading to aircraft. As the implementation of certain provisions of this Ordinance will interfere with private rights, provision has been made for compensation where there results any diminution of the value of an interest in land, loss of rent or disturbance in the enjoyment of any right in or over land, or any expense incurred in carrying out necessary building works.
Tourism. In recent years it has become more and more apparent that tourism is an industry of prime importance to the Colony. This year the need was felt for the creation of a co-operative and representative body to work for the general promotion and development of the industry. The Hong Kong Tourist Association Ordinance, No. 29, was