Definition
ISO/IEC 17021-1:2015 · clause 9.3.1.2The first part of an initial certification audit, in which the certification body reviews your documented management system, scope, risk assessment, Statement of Applicability and internal audit results, and judges whether you are ready for Stage 2. It can be done remotely. The output is a list of areas of concern that could become nonconformities if you do not fix them before Stage 2.
Also called readiness auditdocumentation review
Read the source
Source: ISO/IEC 17021-1:2015