Requirements for Certification
Requirements for Certification / V14 2025-04-01
7.3.3 The annual sampling plan for each of the individual sites must be conducted within the 12-month period as per 6.3.1 and 6.3.2 following the audit of the central site
7.3.4 Sampling of sites to be audited annually by the certification body (external auditor) in each certification cycle is allowed according to the following scheme. The size of the sample shall be the square root of the number of sites: ( 𝑦𝑦 =√ 𝑥𝑥 ), rounded up to the next whole number, where y = number of sites to be sampled and x = total number of sites. Table 7.3.1 clarifies the number of required audits per year based on the number of sites
Required External Audits in the Two- Year Certification Cycle
Required External Audits in Each Year
Required Certification Cycles to Audit All Sites
Number of Sites
3-4
2
4
1
5-9
3
6
1 (5-6) or 2 (7-9)
10-16
4
8
2
17-25
5
10
2 (17-20) or 3 (21-25)
Table 7.3.1 - Number of required audits vs. number of sites
7.3.5 The site selection shall consider, among others, the following aspects:
a. results of internal site audits and management reviews or previous certification audits
b. records of complaints and other relevant aspects of corrective and preventive action
c.
significant variations in the size of the sites
d.
variations in shift patterns and work procedures
e. complexity of the management system and processes conducted at the sites
f.
modifications since the last certification audit
g. maturity of the management system and knowledge of the organisation
h. differences in culture, language, regulatory requirements; and
i.
geographical dispersion
7.3.6 The sample shall be partly selective based on the factors set out above and partly random. It shall result in a representative range of different sites being selected, ensuring all GWO modules and training settings covered by the scope of certification will be audited at least once during the two year certification cycle
7.3.7 The central function shall be informed of the sites to be included in the sample
7.3.8 At least 25% of the sample shall be selected by the certification body
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