ISO 17123-1:2014 gives guidance to provide general rules for evaluating and expressing uncertainty in measurement for use in the specifications of the test procedures of ISO 17123‑2, ISO 17123‑3, ISO 17123‑4, ISO 17123‑5, ISO 17123‑6, ISO 17123‑7 and ISO 17123‑8.
ISO 17123-1:2014 is a simplified version based on ISO/IEC Guide 98‑3 and deals with the problems related to the specific field of geodetic test measurements.