It is a condition precedent to the Insurers liability under this policy that the burglary alarm system installed at the Insured Premises shall be maintained in efficient working order and shall be inspected by qualified Electrical engineers at frequent and regular intervals.
Further
- such alarm system, apart from those devices designed to prevent armed robbery which are to be operated at all times, shall be operated whenever the premises are closed for business.
- The Insured shall immediately notify the Insurers if written notice is received from the Police warning of withdrawal of their response to calls from the alarm.