ISO 19011:2018 - Guidelines for auditing management systems

Annex A

(informative)

Additional guidance for auditors planning and conducting audits

A.14 Selecting sources of information

The sources of information selected may vary according to the scope and complexity of the audit and may include the following:

a) interviews with employees and other individuals;

b) observations of activities and the surrounding work environment and conditions;

c) documented information, such as policies, objectives, plans, procedures, standards, instructions, licences and permits, specifications, drawings, contracts and orders;

d) records, such as inspection records, minutes of meetings, audit reports, records of monitoring programme and the results of measurements;

e) data summaries, analyses and performance indicators;

f) information on the auditee’s sampling plans and on any procedures for the control of sampling and measurement processes;

g) reports from other sources, e.g. customer feedback, external surveys and measurements, other relevant information from external parties and external provider ratings;

h) databases and websites;

i) simulation and modelling.