Calibration, inspection, maintenance and repair depend on model, serial number and working range. Specify test points, direction and documentation requirements. A factory test sheet and accredited calibration are different services.
A factory test sheet, calibration, accredited calibration and machine capability study are different records. ISO/IEC 17025 addresses laboratory competence and does not establish WSD accreditation. Intervals depend on usage, risk, manufacturer guidance and your quality system.