Was George Orwell an Optimist?
Tete Montoliu - Tootie's Tempo
My 1973 Revised edition says this in the Movement section of the rules:
5. DECOYS wrote:
Decoys may NEVER be moved by themselves, or left by themselves in any zone. They must always be accompanied by one or more 'normal' units.
BTW, there is a Variants folder for suggested rules changes. I've flagged this thread as 'wrong folder'; hopefully an admin will move it.