Prevention of smoke emission
This section has no associated Explanatory Memorandum
77. A combustion appliance installed in a building for the purpose of heating or cooking, and which discharges its combustion products to the external air shall be capable of, or readily adaptable to, the burning of fuel smokelessly, unless it is—
(a)a furnace which complies with Article 5 of the Clean Air (Northern Ireland) Order 1981(1) (which requires that new furnaces shall so far as practicable be smokeless); or
(b)an appliance of a class exempted conditionally or unconditionally from the provisions of Article 17 of the Clean Air (Northern Ireland) Order 1981 (which relates to smoke control areas) by any order for the time being in force under paragraph (7) of that Article.