AES WATCH vs. COMELEC

Mandamus will not lie to compel an independent constitutional body to exercise its discretion in a particular manner, absent a showing of grave abuse of discretion. The COMELEC’s decisions on how to implement the VVPAT, regulate the use of capturing devices, and authenticate electronically transmitted election results are discretionary acts that enjoy the presumption of regularity; a writ of mandamus can only command the performance of a ministerial duty, not dictate the means or methods of compliance.

Republic Act No. 8436, as amended by Republic Act No. 9369, authorized the COMELEC to adopt an automated election system (AES) and prescribed minimum system capabilities, including a voter verifiable paper audit trail (VVPAT), system auditability, and authentication of electronically transmitted election results. COMELEC implemented a paper-based AES using Precinct Count Optical Scan (PCOS) machines in 2010 and 2013 and Vote-Counting Machines (VCMs) in 2016 and 2019. Electoral board members used iButton security keys and personal identification numbers (PINs) to initiate and close the machines and to transmit results. In Bagumbayan-VNP Movement, Inc. v. COMELEC (2016), the Court ordered COMELEC to enable the VCMs’ vote verification feature that prints voter receipts, ruling that the VVPAT requirement could not be satisfied by the physical ballot alone. COMELEC complied but prohibited the use of capturing devices inside the polling place during the casting of votes. Before the 2019 elections, several advocacy groups and individuals filed the present petition, alleging non-compliance with the Bagumbayan directive, challenging the prohibition on capturing devices, and questioning the validity of the digital signature method.

• The Automated Election System Framework: Republic Act No. 8436, as amended by Republic Act No. 9369, authorized COMELEC to use an automated election system. The law mandated minimum system capabilities, including a voter verifiable paper audit trail (VVPAT), system auditability, and authentication of electronically transmitted election results. COMELEC adopted a paper-based AES and deployed PCOS machines in 2010 and 2013, and VCMs in 2016 and 2019. Electoral board members used iButton keys and PINs to activate the machines and transmit election returns.

• The Bagumbayan Ruling and Its Implementation: In Bagumbayan-VNP Movement, Inc. v. COMELEC (2016), the Supreme Court granted a petition for mandamus and ordered COMELEC to enable the VCM feature that prints voter receipts, holding that the VVPAT requirement is not satisfied by the physical ballot alone. The Court clarified that the voter must be able to verify whether the machine registered his or her vote correctly, and that the printed receipt could not be taken out of the precinct. On motion for reconsideration, the Court stated that the VVPAT requirement is substantially complied with when the voter receipt is printed and the voter can physically verify the votes. COMELEC complied by issuing Resolution No. 10088 (2016), which enabled the printing capability and provided mechanisms for objections to VVPAT discrepancies. That resolution, however, prohibited voters from using capturing devices “for whatever purpose while inside the polling place.”

• The 2019 Election Guidelines: For the 13 May 2019 National and Local Elections, COMELEC issued Resolution No. 10460, adopting the VVPAT procedures from Resolution No. 10088 with modifications. The prohibition on capturing devices was amended to prohibit their use “to copy the contents of the ballot, or otherwise make use of any other scheme to identify his vote.” The phrase “for whatever purpose” was deleted. The resolution expressly allowed poll watchers to take photographs “during testing and sealing, counting of votes, transmission and printing of election returns provided the secrecy of the ballot shall be maintained at all times,” but stated that “[i]n no case shall taking of pictures, images or photos be allowed during casting of votes.”

• The Petition for Mandamus: On 24 April 2019, days before the elections, AES-WATCH, et al. (composed of religious groups, election reform advocates, and anti-crime/corruption groups) filed a petition for mandamus. They sought to compel COMELEC to: (1) faithfully implement the Bagumbayan directive by adopting a “camerambola” solution — allowing volunteers to take photographs of VVPAT receipts after they were deposited in a box and shuffled, so as to create an audit trail for the public; (2) declare unconstitutional the prohibition on poll watchers taking photographs of proceedings, arguing it was inconsistent with Section 179 of the Omnibus Election Code; and (3) employ a different method of digitally signing election results, alleging that the iButtons and PINs were mere machine identifiers and not personal to electoral board members, contrary to Sections 22 and 30 of Republic Act No. 8436, as amended.

• Interventions: United Filipino Consumers & Commuters, Froilan Dollente, and Teofilo Parilla intervened, supporting the petition and asking COMELEC to submit a list of MAC and IP addresses for the 2019 elections. Bagumbayan-VNP Movement, Inc. also intervened, adopting the petitioners’ arguments and adding that the prohibition on capturing devices made it difficult for poll watchers to record irregularities and for voters to object to VVPAT discrepancies given the limited verification time.

• Respondents’ Position: COMELEC, through the OSG, argued that the conclusion of the elections rendered the case moot, that petitioners lacked legal standing, and that mandamus would not lie because COMELEC had substantially complied with the VVPAT requirement. The random manual audit under Resolutions No. 10458 and 10525 sufficiently addressed auditability. The OSG maintained that the prohibition on capturing devices during the casting of votes was consistent with the constitutional policy of ballot secrecy, and that the digital signature issue had been settled in Capalla v. COMELEC.

• Non-Compliance with VVPAT Auditability: Petitioners maintained that COMELEC had not adopted measures to make the VVPAT auditable by the public, as required under the Bagumbayan ruling. They proposed the “camerambola” method as a concrete mechanism to create a people’s audit trail.
• Unconstitutionality of the Prohibition on Capturing Devices: Petitioners argued that the prohibition on poll watchers from taking photographs of election proceedings, particularly the phrase “for whatever purpose” in earlier resolutions, was sweepingly overbroad and inconsistent with Section 179 of the Omnibus Election Code, which grants watchers the right to photograph proceedings during the counting of votes, transmission, and printing of election returns.
• Invalidity of Digital Signatures: Petitioners contended that the iButtons and PINs were not personal to the electoral board members but served only as machine identifiers. The electronic transmission of election results in prior elections therefore lacked valid electronic signatures as required by Sections 22 and 30 of Republic Act No. 8436, as amended. They asserted that the pronouncement in Capalla on this matter was mere obiter dictum.
• Bagumbayan-VNP Intervention: The intervenor added that the prohibition on capturing devices inside the polling place would hinder poll watchers from recording irregularities and frustrate voters’ ability to object to VVPAT discrepancies due to the limited time allowed for verification.

• Mootness: COMELEC, through the OSG, argued that the conclusion of the 2019 National Elections rendered the petition moot and academic, as there was no longer any justiciable controversy.
• Lack of Standing: Petitioners were not registered voters, candidates, poll watchers, or members of accredited citizens’ arms for the 2019 elections, and they failed to allege any material injury. Mandamus would not lie because COMELEC had not yet responded to their letter-query.
• Substantial Compliance with VVPAT: The VVPAT requirement had been fully implemented pursuant to the Bagumbayan directive. No law expressly required the “camerambola” solution, which would amount to a manual audit of all votes in all precincts — an impractical and tedious undertaking. The random manual audit already addressed concerns about accuracy and reliability.
• Validity of Prohibition on Capturing Devices: The Omnibus Election Code allows poll watchers to take photographs during the counting of votes, but not during the casting of votes. The prohibition was justified by the constitutional mandate to secure the secrecy and sanctity of the ballot.
• Digital Signatures Already Settled: The Capalla ruling had already settled the validity of the digital signature methodology using iButtons and PINs. The same procedure was used in the 2019 elections and was compliant with the law.

• Legal Standing: Whether petitioners and intervenors possessed the requisite legal standing to institute the mandamus petition.
• Propriety of Mandamus — VVPAT and “Camerambola”: Whether COMELEC unlawfully neglected a ministerial duty to implement the VVPAT requirement in the manner directed by the Court in Bagumbayan, and whether mandamus could compel COMELEC to adopt the “camerambola” solution.
• Prohibition on Capturing Devices: Whether the prohibition on the use of capturing devices inside the polling place violated Section 179 of the Omnibus Election Code and was unconstitutional.
• Digital Signature Authentication: Whether COMELEC‘s method of using iButtons and PINs complied with the legal requirement of digital signatures under Republic Act No. 8436, as amended.
• Mootness: Whether the conclusion of the 2019 National Elections rendered the petition moot and academic.

• Legal Standing: The standing requirement was relaxed in favor of AES-WATCH, et al., given their invocation of citizen standing and the transcendental importance of the issues concerning credible and informed elections. Bagumbayan-VNP Movement, Inc. was granted standing as a political party with a material interest, because its poll watchers’ rights and its candidates could be affected by non-compliance. The intervention of United Filipino Consumers & Commuters, Froilan Dollente, and Teofilo Parilla was denied; they failed to allege any personal and substantial interest or direct injury, merely invoking transcendental importance without demonstrating a stake in the outcome.
• Propriety of Mandamus — VVPAT and “Camerambola”: Mandamus would not lie. The assailed COMELEC actions involved the exercise of judgment and discretion, not the performance of a ministerial duty. COMELEC had already substantially complied with the Bagumbayan directive by enabling the printing of voter receipts, allowing voters to verify their votes, and providing a mechanism for objections to discrepancies. The “camerambola” solution proposed by petitioners had no legal basis; it was merely a policy suggestion that fell within COMELEC’s discretion. The conduct of a random manual audit pursuant to Section 29 of Republic Act No. 8436, as amended, sufficed to test the accuracy and reliability of the AES. Any desired expansion of the audit sample size was a matter for Congress, not the courts.
• Prohibition on Capturing Devices: The prohibition on using capturing devices during the casting of votes was lawful. Section 179 of the Omnibus Election Code grants poll watchers the right to take photographs during the counting of votes, transmission, and printing of election returns, but COMELEC Resolution No. 10460 explicitly preserved those rights. The restriction applied only during the casting of votes, which was consistent with the constitutional policy of ballot secrecy and the prohibition under Section 261(z)(5) of the Omnibus Election Code against schemes to discover the contents of a voter’s ballot. Petitioners’ reliance on Resolution No. 10088 (which contained the phrase “for whatever purpose”) was misleading because that resolution governed the 2016 elections; the 2019 resolution had already deleted the phrase.
• Digital Signature Authentication: The iButton and PIN system constituted the functional equivalent of digital signatures. In Capalla v. COMELEC, the Court had already recognized that PCOS machines produce digitally signed transmissions. The Bagumbayan-VNP Movement, Inc. v. COMELEC (2019) case subsequently held that iButtons and PINs are valid electronic signatures under the Rules on Electronic Evidence, as they serve as distinctive marks representing the identity of the electoral board members. Petitioners presented no compelling evidence to overturn this finding.
• Mootness: The conclusion of the 2019 National Elections rendered the petition moot. The reliefs sought — audit of VVPATs, prohibition on capturing devices, digital signature method, and inventory of MAC and IP addresses — were all component steps of the election day process for that particular election. IP addresses are impermanent, and there was no certainty that COMELEC would use the same devices in future elections. A declaration would serve no practical purpose, and the Court could not preempt COMELEC’s choice of the AES for subsequent elections.

• Mandamus — Ministerial vs. Discretionary Duties — A writ of mandamus lies only to compel the performance of a ministerial duty, which is one that an officer or tribunal must perform in a prescribed manner under a given state of facts, leaving nothing to discretion. It cannot direct the manner in which a discretionary act is to be performed, nor control the judgment of an independent constitutional body, unless there is grave abuse of discretion. The COMELEC’s decisions on how to implement the VVPAT, regulate capturing devices, and authenticate election results are discretionary acts protected by the presumption of regularity.
• VVPAT Substantial Compliance — The VVPAT requirement under Section 6 of Republic Act No. 8436, as amended, is substantially complied with when the vote-counting machine prints a voter’s receipt and the voter can physically verify whether his or her votes have been correctly registered. The law does not mandate a specific post-election audit method such as the “camerambola” solution.
• Digital Signature as Functional Equivalent — Under the Rules on Electronic Evidence, a digital signature is an electronic signature consisting of a transformation of an electronic document using an asymmetric cryptosystem. An electronic signature may be any distinctive mark or characteristic representing a person’s identity. The iButton and PIN inputs of electoral board members are valid digital signatures because they serve as the signer’s private key, and the matching public key held by COMELEC authenticates the transmission.
• Standing of Citizens and Political Parties in Election Cases — Suits by concerned citizens require an allegation of injury-in-fact or the denial of a right or privilege. However, the Court may relax the requirement when the issues raised are of transcendental importance to the conduct of credible elections. A political party has standing if it alleges that its poll watchers’ statutory rights or its candidates’ interests will be directly affected by the challenged action.
• Mootness in Election Cases — A petition becomes moot when the election to which the reliefs pertain has been concluded. Issues concerning IP and MAC addresses, digital signature procedures, and polling-place prohibitions that are specific to a concluded election do not present a continuing justiciable controversy, especially where the technology or devices may change in future exercises.

• “Mandamus will not lie to control the judgment of an independent constitutional body over matters which the law gives it the authority to decide absent grave abuse of discretion.”
• “The COMELEC is vested with the constitutional power and function to enforce and administer all laws and regulations relative to the conduct of an election. … It exercises discretion on how certain aspects of elections are implemented.”
• “The Commission on Elections … should be allowed considerable latitude in devising means and methods that will insure the accomplishment of the great objective for which it was created — free, orderly and honest elections. We may not agree fully with its choice of means, but unless these are clearly illegal or constitute gross abuse of discretion, this court should not interfere.”
• “The VVPAT requirement is substantially complied with when the voter’s receipt is printed, and the voter can physically verify his or her vote.”
• “A digital signature requires private and public keys. … The private key is generated when the members of the electoral board use their respective iButtons and input their respective PINs on the voting machines.”

• Bagumbayan-VNP Movement, Inc. v. COMELEC, 782 Phil. 1306 (2016) — The controlling precedent that ordered COMELEC to enable the VVPAT feature; interpreted to require only substantial compliance through printed receipts and physical verification, not a specific audit methodology.
• Capalla v. COMELEC, 687 Phil. 617 (2012) — Recognized that PCOS machines are capable of producing digitally signed transmissions; served as the foundation for the validity of the iButton/PIN authentication method.
• Sumulong v. COMELEC, 73 Phil. 288 (1941) — Established the principle of judicial non-interference with COMELEC’s discretionary choices of means and methods in election administration, absent clear illegality or gross abuse of discretion.
• Vitangcol III v. COMELEC (Notice), G.R. No. 224027, 11 October 2016 — Applied to dismiss a similar petition for inventory of MAC and IP addresses as moot after the 2016 elections, reasoning that IP addresses are impermanent and future device usage is uncertain.
• Bagumbayan-VNP Movement, Inc. v. COMELEC, G.R. Nos. 206719, 206784, 207755, 10 April 2019 — Held squarely that iButtons and PINs are the functional equivalents of the electoral board members’ signatures, thus resolving the digital signature issue.

• Republic Act No. 8436, as amended by Republic Act No. 9369, Sections 6, 22, and 30 — Prescribed the minimum system capabilities including VVPAT, and required the authentication of electronically transmitted election results. The VVPAT provision was interpreted as satisfied by the printing of voter receipts and physical verification.
• Omnibus Election Code, Section 179 — Grants watchers the right to take photographs of proceedings during the counting of votes, transmission, and printing of election returns. COMELEC’s prohibition on capturing devices during the casting of votes was held consistent with this provision and did not infringe watchers’ rights at other stages.
• Omnibus Election Code, Section 261(z)(5) — Declares it an election offense for any person to avail of any scheme to discover the contents of a voter’s ballot. This supported the ban on taking photographs of VVPATs during the casting of votes.
• 1987 Constitution, Article V, Section 2 — Mandates Congress to provide a system for securing the secrecy and sanctity of the ballot. This constitutional policy justified the restriction on capturing devices during balloting.
• 1987 Constitution, Article IX-C, Section 1 — Vests COMELEC with the power to enforce and administer all election laws and regulations, underpinning its broad discretion in implementing the automated election system.
• Rules of Court, Rule 65, Section 3 — Governs the issuance of the writ of mandamus, requiring the petitioner to show a clear legal right and the respondent’s unlawful neglect of a ministerial duty.

Peralta, C.J., Perlas-Bernabe, Leonen, Caguioa, Gesmundo, Hernando, Carandang, Lazaro-Javier, Inting, Zalameda, Delos Santos, Gaerlan, and Rosario, JJ., concurred.