Currently the system links PM work to SLA's via the PM Procedure meaning every time a PM procedure is added the user needs to create or add the new PM procedure to an SLA. by adding the criticality field as a check value the PM can be link directly as a catch all for this criticality i.e. Statutory and Non Statutory as a minimum. The system can still use a single PMP or also link to the location and equipment data. Grouping code may also be a useful link option to PM schedule for SLA's.