ATS.OR.520 Information on aerodrome conditions and the operational status of associated facilities

An air traffic services provider shall ensure that aerodrome control towers, AFIS units and units providing approach control service are kept currently informed of the operationally significant conditions of the movement area, including the existence of temporary hazards, and the operational status of any associated facilities at the aerodrome or aerodromes with which they are concerned, as reported by the aerodrome operator.