They are necessary for the website to function and therefore cannot be deactivated. They are usually only set in response to your actions when requesting services, such as setting your privacy preferences, logging in or filling out forms. You can set your browser to block or alert you about these cookies, but some areas of the site will not work. These cookies do not store any personally identifiable information.
If you disable this cookie, we will not be able to save your preferences. This means that every time you visit this website you will need to enable or disable cookies again.