This document specifies the dose assessment method when an RPLD is used for dosimetry audit in external high-energy X-ray beam radiotherapy.

The dosimetry for electron beams and X-ray beams of stereotactic radiotherapy, gamma？ray of brachytherapy is not included in this version.

This document addresses RPLD handling, measurement method, conversion of measured value to dose, necessary correction coefficient, and the performance requirements for RPLD systems, including the reader.