Miran Syed Mahmood Rzi. (the first caliph of Imam Mahdi Ahs) used to convene an ijma' once a week or a fortnight and prepare documents (mahzar) and say "Throw us out of the daira, if you see anything opposed to Imam Mahdi Ahs in our zath (nature, essence)."
(Insaaf Nama - Matan Sharif, N.18)
(Insaaf Nama - Matan Sharif, N.18)