Title
Guingona, Jr. vs. Gonzales
Case
G.R. No. 106971
Decision Date
Mar 1, 1993
Philippine Senate election dispute over CA membership; petitioners challenged proportional representation violation, alleging grave abuse of discretion by majority party. Supreme Court upheld constitutional mandate, denying reconsideration.

Case Summary (G.R. No. 106971)

Grounds Asserted by Senator Tanada

Senator Tanada’s motion argued (1) erroneous factual precedent appreciation by the Court; (2) failure to respect the multi-party system recognized by the 1935 and 1987 Constitutions; (3) the alleged mandatory nature of filling twelve CA seats; and (4) absence of grave abuse of discretion in his election to the CA.

Grounds Asserted by Senators Gonzales and Romulo

Senators Gonzales and Romulo contended (1) inconsistency with prior Supreme Court rulings in Coseteng v. Mitra, Jr. and Daza v. Singson; (2) that twelve CA members are required for the Commission to function constitutionally; (3) that the Tolentino Compromise Formula adopted by the Senate should govern selection; and (4) that their election complied with the multi-party principle and resolved fractional membership through realignment.

Procedural Posture of Responses

The NPC filed separate comments to the respondents’ motions on December 16, 1992; the petitioners filed comments on January 7, 1993. The Court considered respondents’ motions and the opposing submissions and denied the motions for reconsideration.

Governing Provision and Parties’ Numerical Representation

The Court anchored its analysis on Article VI, Section 18 of the 1987 Constitution. It accepted the parties’ agreed Senate numerical representation: LDP 7.5, LP-PDP-LABAN 0.5, NPC 2.5, LAKAS-NUCD 1.5. The constitutional mandate requires election of CA members “on the basis of proportional representation” of political parties represented in each House.

Interpretation of Fractional Allocations and Majority Action

The Court explained that converting two fractional halves into a whole (i.e., aggregating fractional entitlements) to increase the majority party’s CA membership (specifically to elect Senator Romulo) violated Section 18’s proportional representation mandate. Such aggregation reduced another party’s proportional share and thereby contravened the Constitution’s check on majority dominance.

Precedent of the Late Senator Lorenzo Tanada Considered and Distinguished

Respondent Tanada relied on the late Senator Lorenzo Tanada’s historical membership in the CA. The Court observed that the cited instances involved coalitions and political alliances (e.g., Citizens Party with Nacionalista Party) and were not judicially adjudicated as constitutionally valid constructions of proportional representation. The Court held that repeated legislative practice without judicial confirmation cannot override the constitutional command.

Correction of Party-Listing Error and Relevance to Proportionality

The Court acknowledged an earlier erroneous listing of party affiliations based on the May 11, 1992 election results but observed respondents accepted that the appropriate basis for determining proportional representation is the senators’ actual party membership at the time of CA organization. This concession rendered the earlier clerical error immaterial to the decision’s legal holding.

Nomination Process and Senate Procedure

The Court detailed that party rules require parties to nominate their CA candidates; Senator Tanada was nominated by the LP and presented by Majority Leader (Senator Romulo) in his duty to submit previously nominated candidates. The Court emphasized that presentation for election to the CA was consistent with Senate procedure but does not validate a result that breaches the constitutional proportionality requirement.

Minimum Membership and Scope of Proportional Representation

Relying on prior rulings (e.g., Coseteng and Daza), the Court clarified that constitutional proportional representation extends to all parties represented in each House but does not guarantee every party a CA seat irrespective of numerical thresholds. Proportional representation requires a minimum party membership in the relevant House to claim entitlement; a lone senator’s mere presence does not automatically secure CA membership for that party.

Whether Election of Full Complement of Twelve Is Mandatory

The Court ruled that the Constitution’s specification of “twelve Senators” indicates the maximum complement, not an absolute prerequisite to the CA’s lawful functioning. The paramount constitutional directive is proportional representation; if adherence to proportionality prevents filling all twelve slots

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