Sorry, this is a) off topic and b) national.
Riley, please would quote the paragraph in BR68 and/or WT acts which
demonstrate the assertion you have made above.
A number of people have already pointed out where this assertion falls down
in current protocols, custom and practise, I shan't add to it.
Dirk G1TLH
--- Dirk-Jan Koopman, Tobit Computer Co Ltd At the source of every error which is blamed on the computer you will find at least two human errors, including the error of blaming it on the computer.