Originally Posted by DrNefario
Isn't it also the case that those works that do not get the shorter term only get the protection that the 1956 Act offered, ie. life+50 rather than life+70?
Yes - they would then have been subject to standard UK copyright law which was, at the time, life+50 years. But that would of course have been extended to life+70 years (for those authors still alive in 1996) when the 1996 Act was introduced which extended UK copyright from life+50 to life+70.