A judge's gavel resting beside a law book, representing the Supreme Court's Molina and Tan-Andal rulings that set the legal test for psychological incapacity under Article 36

The Molina Guidelines for Psychological Incapacity: The Original 8-Point Test and How Tan-Andal Changed It

For decades, Philippine lawyers and litigants treated psychological incapacity cases under Article 36 of the Family Code as a checklist problem: satisfy the Supreme Court’s 1997 “Molina guidelines” point by point, or lose. That checklist required a medically identified root cause, expert psychiatric testimony, and proof the condition was permanently incurable in a medical sense. In 2021, the Supreme Court’s decision in Tan-Andal v. Andal significantly relaxed several of those requirements — without discarding the framework entirely. This guide walks through the original eight Molina guidelines exactly as written, then shows precisely which parts still apply today and which have been modified.

Direct Answer

The Molina guidelines are eight interpretive rules the Supreme Court laid down in Republic v. Court of Appeals and Molina (G.R. No. 108763, February 13, 1997) for deciding Article 36 psychological-incapacity cases. Several guidelines — the burden of proof favoring the validity of marriage, the requirement that the incapacity exist at the time of the marriage (juridical antecedence), the gravity requirement, and the focus on the essential marital obligations under Articles 68 to 71 — remain part of current doctrine. Two of the most demanding guidelines have been significantly relaxed by the Supreme Court’s 2021 decision in Tan-Andal v. Andal (G.R. No. 196359, May 11, 2021, En Banc): psychological incapacity is now treated as a legal concept rather than strictly a medical or psychiatric diagnosis, and expert psychiatric or psychological testimony is no longer an indispensable requirement — though it remains highly persuasive when presented. Incurability is likewise no longer assessed in a strictly medical sense; it is now understood as a legal concept describing a personality structure so incompatible with the other spouse that the marriage’s breakdown is enduring and inevitable. The petitioner must still prove the case by clear and convincing evidence.

Decision Snapshot

  • Applies to: Anyone building, defending against, or trying to understand an Article 36 petition for declaration of nullity based on psychological incapacity, including cases originally filed or decided under the older Molina standard.
  • What changed in 2021: Tan-Andal v. Andal reframed psychological incapacity as a legal, not medical, concept and removed the strict requirement for expert psychiatric testimony and a medically permanent diagnosis.
  • What did not change: The burden of proof still favors the validity of marriage, the incapacity must still have existed at the time of the wedding, it must still be grave, and it must still concern the essential marital obligations in the Family Code.
  • Standard of proof: Clear and convincing evidence — a standard higher than a mere preponderance of evidence but lower than proof beyond reasonable doubt.
  • First action: Do not assume either that Molina is entirely obsolete or that it is unchanged — identify which specific guideline is relevant to your case and check its post-Tan-Andal status below before relying on it.

Key Takeaways

  • Molina set out eight guidelines in 1997 for deciding Article 36 cases; it is still cited today, but several of its most demanding evidentiary requirements have been relaxed.
  • Tan-Andal v. Andal (2021) did not overrule Molina outright — it modified specific guidelines while expressly retaining others, such as gravity, juridical antecedence, and the focus on Articles 68 to 71.
  • A psychiatric or psychological diagnosis is no longer legally required in every case; the totality of evidence, including credible testimony from ordinary witnesses who observed a spouse’s behavior before and after the wedding, can be sufficient.
  • “Incurability” is no longer judged by whether a mental-health professional says the condition can never be treated — it is judged by whether the specific spouse’s personality structure makes the marital breakdown enduring and irreparable as to that particular partner.
  • The root cause of the incapacity must still be established through evidence, but it no longer needs to be identified in strictly medical or clinical terms by an expert witness.
  • The burden of proof still rests on the party seeking nullity, and doubts are still resolved in favor of the marriage’s validity — this guideline was not disturbed by Tan-Andal.
  • Guidelines dealing with court procedure — such as the Solicitor General’s certification and the role of the public prosecutor — arise from a separate Supreme Court rule on procedure and continue to apply regardless of the evidentiary changes Tan-Andal introduced.

In This Guide

Authority What it governs Relevance
Family Code of the Philippines (Executive Order No. 209), Art. 36 Declares a marriage void when a spouse was psychologically incapacitated, at the time of celebration, to comply with essential marital obligations The underlying statutory ground both Molina and Tan-Andal interpret
Family Code, Arts. 68–71; Arts. 220, 221, 225 Define the essential marital obligations between spouses, and parental obligations where relevant The specific obligations a petitioner must show the respondent was incapable of complying with
Republic v. Court of Appeals and Molina, G.R. No. 108763, February 13, 1997 Lays down eight guidelines for interpreting and applying Article 36 The original interpretive framework this guide explains point by point
Tan-Andal v. Andal, G.R. No. 196359, May 11, 2021 (En Banc) Reframes psychological incapacity as a legal rather than strictly medical concept; relaxes the expert-testimony and medical-incurability requirements; confirms the clear-and-convincing evidence standard The controlling modern authority on which parts of Molina remain good law
A.M. No. 02-11-10-SC, Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003) Governs the procedure for filing and trying an Article 36 petition, including the prosecutor and Solicitor General’s participation The procedural counterpart to the evidentiary guidelines discussed in this article

Who This Applies To

This guide applies to anyone preparing, opposing, or trying to understand a petition for declaration of absolute nullity of marriage based on psychological incapacity under Article 36 — including someone whose case was originally filed years ago and is still governed, in part, by pre-2021 rulings that applied the stricter Molina standard. It assumes you already understand, in general terms, what psychological incapacity means and how it differs from an annulment under Article 45; for that foundational explanation, see FamilyCode.ph’s guide to what psychological incapacity means under Article 36. If the real issue is that a spouse lacked the mental capacity to consent at the wedding itself, that is a separate, voidable-marriage ground explained in whether unsound mind is a ground for annulment under Article 45(2). This guide instead focuses specifically on the interpretive test courts apply — the actual Molina guidelines, quoted from the decision itself, and exactly how the Supreme Court’s 2021 ruling changed each one.

The Original Molina Guidelines (1997)

In Republic v. Court of Appeals and Molina, the Supreme Court, through Justice Panganiban, set out eight guidelines “in the interpretation and application of Article 36.” These guidelines governed Philippine nullity cases for roughly a quarter of a century and are still cited today, even though several have since been modified. The Court’s own wording is quoted below, condensed where the original text is lengthy.

# Guideline (as decided in Molina)
1 “The burden of proof to show the nullity of the marriage belongs to the plaintiff. Any doubt should be resolved in favor of the existence and continuation of the marriage and against its dissolution and nullity.”
2 “The root cause of the psychological incapacity must be (a) medically or clinically identified, (b) alleged in the complaint, (c) sufficiently proven by experts and (d) clearly explained in the decision.”
3 “The incapacity must be proven to be existing at ‘the time of the celebration’ of the marriage.” The condition must have existed when the parties exchanged their vows, even if it only became evident afterward.
4 “Such incapacity must also be shown to be medically or clinically permanent or incurable,” whether absolute or relative only to the other spouse.
5 “Such illness must be grave enough to bring about the disability of the party to assume the essential obligations of marriage.” Mild personality quirks, mood changes, or occasional emotional outbursts do not qualify.
6 “The essential marital obligations must be those embraced by Articles 68 up to 71” of the Family Code, and, where children are involved, the parental obligations in Articles 220, 221 and 225. These specific obligations must be alleged and proven, not merely asserted in general terms.
7 “Interpretations given by the National Appellate Matrimonial Tribunal of the Catholic Church in the Philippines, while not controlling or decisive, should be given great respect,” since Article 36 was patterned after Canon 1095 of the Code of Canon Law.
8 “The trial court must order the prosecuting attorney or fiscal and the Solicitor General to appear as counsel for the state. No decision shall be handed down unless the Solicitor General issues a certification,” quoted in the decision, stating his reasons for agreeing or opposing the petition, submitted within fifteen days from when the case is deemed submitted for resolution.

How Tan-Andal v. Andal Changed the Test (2021)

In Tan-Andal v. Andal, the Supreme Court, sitting en banc, revisited Molina after more than two decades of lower courts routinely dismissing Article 36 petitions for failing the medical-proof requirements of guidelines 2 and 4. The Court kept the basic structure of the test but substantially relaxed how two of its elements are proven. The table below compares each original guideline with its status today.

Molina guideline Status after Tan-Andal What changed
1. Burden of proof favors the marriage Retained Unchanged in substance; now expressed together with the clear-and-convincing evidence standard.
2. Root cause medically/clinically identified by experts Modified Psychological incapacity is now treated as a legal, not medical, concept. Expert psychiatric or psychological testimony is no longer mandatory in every case; credible testimony from ordinary witnesses who personally observed the spouse’s behavior before and during the marriage can be sufficient to establish the root cause, though a well-founded expert opinion remains persuasive evidence where available.
3. Existing at the time of celebration (juridical antecedence) Retained Still required. The Court continues to require proof that the incapacity’s roots existed at or before the wedding, provable through the spouse’s history, upbringing, and prior conduct.
4. Medically/clinically permanent or incurable Modified Incurability is no longer assessed as a medical prognosis. It is now a legal concept: the incapacity must be so enduring and persistent relative to the specific spouse that the marriage was bound to break down irreparably — this can be shown without a clinician’s opinion that the condition is untreatable.
5. Gravity Retained Still required in essentially the same terms; mild personality differences, occasional conflict, or ordinary marital difficulty still do not qualify.
6. Essential marital obligations (Arts. 68–71, 220, 221, 225) Retained Unchanged. The petition must still identify and prove which specific statutory obligations the respondent could not fulfill.
7. Weight given to Catholic Church tribunal rulings Not addressed Tan-Andal‘s modifications concerned the evidentiary substance of guidelines 2 and 4; it did not purport to revisit this guideline, which continues to describe persuasive, non-binding weight only.
8. Solicitor General certification and prosecutor’s role Unaffected This is a procedural safeguard rooted in A.M. No. 02-11-10-SC rather than an evidentiary rule, so it operates independently of the evidentiary changes Tan-Andal introduced.

The Court also confirmed the applicable standard of proof throughout: the petitioner must establish psychological incapacity by clear and convincing evidence — more demanding than the preponderance-of-evidence standard used in ordinary civil cases, but less demanding than the proof-beyond-reasonable-doubt standard used in criminal cases. This calibration reflects the constitutional protection given to marriage and the family, which both Molina and Tan-Andal treat as the starting presumption a petitioner must overcome.

Burden of Proof and Root Cause Today

Two elements of the test deserve closer attention because they are the ones most often misunderstood after Tan-Andal.

Burden of proof. The petitioner — the spouse asking the court to declare the marriage void — always carries the burden. Nothing in Tan-Andal shifted this or lowered the presumption that a marriage is valid. What changed is only the kind of evidence that can satisfy that burden, not who carries it or how strong the marriage’s presumption of validity is. A court is still required to resolve genuine doubt in favor of upholding the marriage.

Root cause. Under Molina, the root cause had to be identified in medical or clinical terms and proven through expert testimony, or the petition failed regardless of how compelling the surrounding facts were. Tan-Andal removed that rigid requirement: a root cause can now be established through the totality of the evidence, which may include consistent, corroborated testimony from family members, friends, or others who personally witnessed a durable pattern of behavior before and throughout the marriage — provided that evidence is specific enough to connect the pattern to a genuine incapacity, rather than simply describing a spouse’s flaws, misconduct, or a marriage that has become unhappy. Expert evidence is not eliminated; it remains one of the most persuasive ways to explain how a pattern of behavior amounts to a personality structure incapacitating a spouse from complying with marital obligations, and many petitioners still choose to present it.

Common Misunderstandings

  • “Molina is dead law after Tan-Andal.” Not accurate. Several Molina guidelines — the burden of proof, juridical antecedence, gravity, and the focus on Articles 68 to 71 — remain part of the current test. Tan-Andal modified specific elements; it did not discard the framework.
  • “I no longer need any evidence connecting my spouse’s behavior to a genuine incapacity.” Not accurate. The gravity and root-cause requirements still apply — ordinary marital conflict, isolated misconduct, or a personality trait that does not rise to genuine incapacity still will not satisfy Article 36.
  • “A psychiatrist’s report is now useless.” Not accurate. Expert testimony is no longer mandatory, but a well-grounded expert opinion remains highly persuasive evidence and many courts still give it significant weight where it is properly presented.
  • “Incurable now means the condition must be permanent for the rest of the person’s life, in every relationship.” Not accurate. Tan-Andal allows incurability to be shown as relative to the specific spouse — the personality structures of the two parties may simply be incompatible to the point that the marriage’s breakdown was inevitable, without requiring proof the condition would incapacitate the person in every possible relationship.
  • “The Solicitor General’s certification requirement no longer applies because it’s about medical proof.” Not accurate. That requirement is a procedural safeguard under a separate Supreme Court rule, not an evidentiary rule Tan-Andal addressed, and it continues to apply.

Practical Checklist

  1. Identify which specific essential marital obligation, under Articles 68 to 71 (and Articles 220, 221 or 225 where children are involved), your case alleges the respondent could not fulfill — a general claim of an unhappy marriage is not enough.
  2. Gather evidence connecting a durable personality pattern to the time before and at the marriage’s celebration — testimony from people who knew the spouse before the wedding is often the most valuable evidence of juridical antecedence.
  3. Decide, with counsel, whether to present expert psychological or psychiatric evidence — it is not mandatory after Tan-Andal, but it remains one of the most persuasive ways to explain how a personality structure produced incapacity.
  4. Do not rely on evidence of a single incident, an isolated affair, or general incompatibility — gravity requires a serious, enduring pattern, not an occasional lapse.
  5. Confirm that the petition itself specifically alleges the essential obligations at issue and the facts constituting the incapacity — a vague pleading can fail even with strong underlying facts.
  6. Expect the public prosecutor and the Office of the Solicitor General to participate in the case and issue their own assessment — this procedural step under A.M. No. 02-11-10-SC applies regardless of which evidentiary standard governs the merits.
  7. Consult a Philippine family-law lawyer, or the Public Attorney’s Office if you qualify, to assess how the current, post-Tan-Andal standard applies to your specific facts before filing.

Frequently Asked Questions

Are the Molina guidelines still good law in the Philippines?

Partly. The Supreme Court’s 2021 decision in Tan-Andal v. Andal retained several Molina guidelines — including the burden of proof, juridical antecedence, gravity, and the focus on essential marital obligations — while significantly relaxing the guidelines requiring medical identification of the root cause and medical proof of incurability.

Do I still need a psychiatrist or psychologist to win an Article 36 case?

Not necessarily. Expert testimony is no longer an indispensable requirement under Tan-Andal. The totality of the evidence — which can include credible testimony from ordinary witnesses about a spouse’s consistent behavior before and during the marriage — may be sufficient. A well-grounded expert opinion remains persuasive evidence and is still commonly presented.

What does “clear and convincing evidence” mean compared to other standards of proof?

It is a standard of proof higher than a “preponderance of evidence” (used in most civil cases, meaning more likely than not) but lower than “proof beyond reasonable doubt” (used in criminal cases). The Supreme Court applies it in Article 36 cases to reflect the constitutional weight given to preserving marriage while still allowing genuine cases of psychological incapacity to be proven.

Does Tan-Andal apply to a case that was originally filed or decided years ago under the old Molina standard?

Tan-Andal states the Supreme Court’s current interpretation of Article 36, and courts apply the prevailing interpretation of a law to cases before them. Whether and how it affects a specific pending or previously decided case can depend on procedural factors such as finality of judgment and the stage of the case, which are fact-specific — consult a lawyer about your particular case’s procedural posture.

Is the Solicitor General’s certification requirement still followed today?

Yes. That requirement comes from A.M. No. 02-11-10-SC, the Supreme Court’s procedural rule for these cases, rather than from the evidentiary guidelines Tan-Andal addressed, so it continues to apply independently of the changes to the evidentiary standard.

Related Guides

Sources and Legal Citations

Statutes and codes

  • Family Code of the Philippines, Executive Order No. 209 (1987), Arts. 36, 68–71, 220, 221, 225 — full text via LawPhil

Supreme Court rules and jurisprudence

  • Republic v. Court of Appeals and Molina, G.R. No. 108763, February 13, 1997 — full text via LawPhil
  • Tan-Andal v. Andal, G.R. No. 196359, May 11, 2021 (En Banc) — full text via LawPhil
  • A.M. No. 02-11-10-SC, Rule on Declaration of Absolute Nullity of Void Marriages and Annulment of Voidable Marriages (2003) — full text via LawPhil

Sources rechecked as of: September 18, 2026

This article is general legal information for the Philippines and is not legal advice. It explains a Supreme Court interpretive framework and does not predict the outcome of any specific case. For advice about your specific situation, consult a Philippine lawyer or, if you qualify, the Public Attorney’s Office.

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