Hi I was just after some opinions on this. On our equipment we obviously have calibration and service due dates, and have previously raised non-conformances when they've been used outside this date. However we have recently the discovered the part of the company that arranges the services (this department is outside the scope of the ISO certification) have windows around these due dates where the service can be performed. So potentially a service can be performed up to 60 days after the date specified on the instrument. I feel a bit uncomfortable about his. Just wondered what other's thoughts are.