Share 'Minimum Weight on discs....'

I figure that Chuck will probably see this and respond. However I am pretty sure that others may know the answer to this rule. Is there a minimum weight restriction on discs? Also what if the disc has no posted weight? and what if someone thinks they know a rule and takes it upon themselves to call a rule during a PDGA sanctioned tournament without being an Official? Can this person be DQed or st…