The survey instrument calibration laboratory of NLSC has been certified by Taiwan Accreditation Foundation on March 10, 2010, and the certification has sustained and effective after periodically re-audits. For improvement of service efficiency, the “Survey Instrument Calibration Laboratory Service Website” has been established to provide customers with functions of online application, calibration progress inquiry, and download of calibration report, while instrument calibration information will also be announced from time to time.