Office for Nuclear Regulation

Internal operational instructions and guidance

ONR is committed to providing up to date, open and transparent content relating to its current internal instructions and guidance used to carry out its core operational work.

The material presented here is essentially the same information provided to ONR staff, but with some additional explanation.

All open material is available on this website. Not all of ONR's internal instructions and guidance are open documents.

The ONR Classification Scheme and Disposal Schedule outlines the objectives and criteria for organising and managing information. It also explains the policy framework and process for appraising records generally.

ONR's internal operational instructions and guidance are arranged under the following key business activities:

Further resources and general guidance:


Should you have any feedback on our guidance, please email