Originally Posted by
Barankin
I am seeking a general world-wide rule that could be proven by legal document.
There is none.
The example you have given is an example of such a shoddy ATCmanship that the clearance as given is unacceptable. So you really have only one option:
4) clarify the descent clearance with ATC.
It might be novel to some of your KBCs, but one does not incur the wrath of Perun, Mokosh or Veles by simply asking the "диспетчер" to explain what exactly she meant.