Carcasses of poultry deleteriously affected by post mortem changes shall be disposed of as follows:
(a) Carcasses which have reached a state of putrefaction or stinking fermentation shall be condemned.
(b) Any part of a carcass which is green struck shall be condemned and, if the carcass is so extensively affected that removal of affected parts is impracticable, the whole carcass shall be condemned.
(c) Carcasses affected by types of post mortem change which are superficial in nature may be passed for human food after removal and condemnation of the affected parts.