Locus Standi & Doctrine of "Transcendental Importance"
The rule on locus standi is not a plain procedural rule but a constitutional requirement derived from Section 1, Article VIII of the Constitution, which mandates courts of justice to settle only "actual controversies involving rights which are legally demandable and enforceable." As stated in Kilosbayan, Incorporated v. Guingona, Jr., viz.: [C]ourts are neither free to decide all kinds of cases dumped into their laps nor are they free to open their doors to all parties or entities claiming a grievance. The rationale for this constitutional requirement of locus standi is by no means trifle. It is intended "to assure a vigorous adversary presentation of the case, and, perhaps more importantly to warrant the judiciary's overruling the determination of a coordinate, democratically elected organ of government." It thus goes to the very essence of representative democracies. A lesser but not insignificant reason for screening the standing of persons who desire to