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This page explains the terms of use for You must agree to these to use

Who we are is managed by the National Drug Evidence Centre (NDEC) on behalf of the Office for Health Improvement and Disparities (OHID), Department of Health and Social Care (DHSC). NDEC is part of the University of Manchester and will be referred to as ‘we’ from now on.


You agree to use only for lawful purposes. You must also use it in a way that does not infringe the rights of, or restrict or inhibit the use and enjoyment of, this site by anyone else.

We update all the time. We can change or remove content at any time without notice.

Linking to

We welcome and encourage other websites to link to

You must contact us for permission if you want to either:

  • charge your website’s users to click on a link to any page on
  • say your website is associated with or endorsed by, the Office for Health Improvement and Disparities (OHID) or another government department or agency

Linking from may link to websites that are managed by other government departments and agencies, service providers or other organisations. We do not have any control over the content on these websites.

We are not responsible for:

  • the protection of any information you give to these websites
  • any loss or damage that may come from your use of these websites, or any other websites they link to

You agree to release us from any claims or disputes that may come from using these websites.

You should read all terms and conditions, privacy policies and end user licences that relate to these websites before you use them.

Using content

Most content in the publically accessible part of is subject to Crown copyright protection and is published under the Open Government Licence (OGL).

Some content, such as that contained in the restricted access area of, is exempt from the OGL - check the list of exemptions.

In order to protect the anonymity of treatment service users, figures in the public areas of this site have been suppressed if they have a cell value of less than five (5). Such occurrences are indicated by a field containing "*" rather than a numeric value. This is because of the issue of "deductive disclosure" the possibility (however remote) that information could be combined from several sources to identity individuals in contact with drug or alcohol treatment services.

Statistics contained in the restricted access area of are unsuppressed. Access to unsuppressed statistics is carefully controlled, and is provided solely for management, quality assurance, and briefing purposes.

Any accidental or wrongful release should be reported immediately and may lead to an inquiry. If in doubt you should consult, who can advise. You agree to prevent inappropriate use by treating the information as restricted. You agree to refrain from passing information on to others who have not been given prior access and use it only for the purposes for which it has been provided.

If you intend to publish figures contained in the restricted access area of NDTMS.Net after official publication, routinely around the latter stages of the calendar year on GOV.UK, you agree to restrict all figures under 5 and any associated figures to prevent deductive disclosure. For further information refer to the data disclosure control guide available on the NDTMS.Net Report Viewer. For additional guidance refer to the NHS Digital Anonymisation standard, ISB 1523 entitled "Anonymisation Standard for Publishing Health and Social Care Data" (

Departmental logos and crests are also exempt from the OGL, except when they form an integral part of a document or dataset.

If any content is not subject to Crown copyright protection or published under the OGL, we will usually credit the author or copyright holder.

You can reproduce content published on under the OGL as long as you follow the licence's conditions.

Contact us if you want to reproduce a piece of content but aren’t sure if it is covered by Crown copyright or the OGL.

The most up to date version of our content will always be on


While we make every effort to keep up to date, we do not provide any guarantees, conditions or warranties that the information will be:

  • current
  • secure
  • accurate
  • complete
  • free from bugs or viruses

We do not publish advice on You should get professional or specialist advice before doing anything on the basis of the content.

We are not liable for any loss or damage that may come from using This includes:

  • any direct, indirect or consequential losses
  • any loss or damage caused by civil wrongs ("tort", including negligence), breach of contract or otherwise
  • the use of and any websites that are linked to or from it
  • the inability to use and any websites that are linked to or from it

This applies if the loss or damage was foreseeable, arose in the normal course of things or you advised us that it might happen.

This includes (but is not limited to) the loss of your:

  • income or revenue
  • salary, benefits or other payments
  • business
  • profits or contracts
  • opportunity
  • anticipated savings
  • data
  • goodwill or reputation
  • tangible property
  • intangible property, including loss, corruption or damage to data or any computer system
  • wasted management or office time

Requests to remove content

You can ask for content to be removed from We’ll only do this in certain cases, e.g. if it breaches copyright laws, contains sensitive personal data or material that may be considered obscene or defamatory.

Contact us to ask for content to be removed. You will need to send us the web address (URL) of the content and explain why you think it should be removed. We will reply to let you know whether we will remove it.

We remove content at our discretion in discussion with Public Health England.

Information about you and your visits to

We collect information about you in accordance with our privacy policy and our cookie policy. By using, you agree to us collecting this information and confirm that any data you provide is accurate. This information includes your registration details as well as your history of usage of If at any point you wish to terminate your restricted access account or if you would like your personal details and access history deleted please contact

Virus protection

We make every effort to check and test for viruses at every stage of production. You must make sure that the way you use does not expose you to the risk of viruses, malicious computer code or other forms of interference which can damage your computer system.

We are not responsible for any loss, disruption or damage to your data or computer system that might happen when you use

Viruses, hacking and other offences

When using, you must not introduce viruses, trojans, worms, logic bombs or any other material that is malicious or technologically harmful.

You must not try to gain unauthorised access to, the server on which it is stored or any server, computer or database connected to it.

You must not attack in any way. This includes denial-of-service attacks.

We will report any attacks or attempts to gain unauthorised access to to the relevant law enforcement authorities and share information about you with them.

Governing law

These terms and conditions are governed by and construed in accordance with the laws of England and Wales.

Any dispute you have which relates to these terms and conditions, or your use of (whether it be contractual or non-contractual), will be subject to the exclusive jurisdiction of the courts of England and Wales.


There may be legal notices elsewhere on that relate to how you use the site.

We are not liable if we fail to comply with these terms and conditions because of circumstances beyond our reasonable control.

We might decide not to exercise or enforce any right available to us under these terms and conditions. We can always decide to exercise or enforce that right at a later date.

Doing this once will not mean we automatically waive the right on any other occasion.

If any of these terms and conditions are held to be invalid, unenforceable or illegal for any reason, the remaining terms and conditions will still apply.

Changes to these terms and conditions

Please check these terms and conditions regularly. We can update them at any time without notice.

You will agree to any changes if you continue to use after the terms and conditions have been updated.