contingency procedure(n = noun.communication) - an alternative to the normal procedure; triggered if an unusual but anticipated situation arises;
is a kind of function, procedure, routine, subprogram, subroutine

bureaucratic procedure, cataloged procedure, check-out procedure, cloze procedure, contingency, contingency fee, dental procedure, desensitisation procedure, desensitization procedure, diagnostic procedure, double-blind procedure, emergency procedure, experimental procedure, gram's procedure, medical procedure, operating procedure, parliamentary procedure, procedure, standard operating procedure, standard procedure, standing operating procedure, statistical procedure, surgical procedure