Welcome to the STS internal area for members only



Access to the STS internal site requires your registration log-in number; please enter your user name and password.


User login

Enter your username and password here in order to log in on the website:

Forgot your password?

If this is the first time you are visiting this site, and you have not pre-registered yet, you can do so by clicking the 'Password forgotten/request' link.


If you have pre-registered your username and your password, please log in.


If you have forgotten your password, please type in your e-mail address and your password will be forwarded to your e-mail address.


Warning: Your password is case sensitive! Do not use national characters / easily recognisable codes in your password! If you encounter any technical problem during the (pre-) registration and submission procedure, please, contact the STS for help.