Cookies are small text files which are stored on your computer whilst using the site. You can disable use of cookies in your browser but this may cause the site to work incorrectly.

Cookies used by this site are:

wordpress_test_cookie – used by site software (WordPress) to check whether cookies are enabled or not. Expires when browsing session ends.

cookie_notice_accepted – used to show that cookie notice has been acknowledged. Expires after one month.

wp_postpass_ – used when accessing a password protected area of the site to allow continued access for a fixed period of time. Expires after the fixed period.


Some NTLPA material is stored on a separate “cloud” drive with links to it provided from this website. This facility is currently hosted by pCloud (pCloud AG, Switzerland). Please note that a separate cookie policy applies when using the “cloud” drive which can be seen at Viewing the NTLPA material on pCloud is termed Guest Usage and no login is required.