in Re Alief Vietnamese Alliance Church and Phan Phung Hung, 576 S.W.3d 421

Paul Nguyen, a founding member and former leader at Alief Vietnamese Alliance Church, sued the Church and its pastor Phan Phung Hung for defamation based on statements that Nguyen had committed adultery and was no longer a church member/elder.
Dispute events: Nguyen stepped down from leadership in early 2015; his wife raised fidelity concerns to Hung in January 2015; later conflicts arose between Nguyen and Hung in August 2015 and Nguyen stopped attending services.
Hung allegedly told church officers, deacons, and other Vietnamese pastors that Nguyen committed adultery and that his membership/leadership ended for that reason; Nguyen denied the affair and sued in August 2016 after refusing church-led resolution efforts.
The Church filed pleas to the jurisdiction arguing the ecclesiastical abstention doctrine bars the suit because the statements were made in the context of church discipline, governance, and moral standards governed by the denomination’s disciplinary policy.
The trial court denied the pleas; the First Court of Appeals conditionally granted mandamus, holding the suit is barred by ecclesiastical abstention and directing the trial court to vacate its denial.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether ecclesiastical abstention deprives the court of subject-matter jurisdiction over Nguyen’s defamation claim	Nguyen: statements were personal lies/malice by Hung, not church discipline or governance, so First Amendment abstention does not apply	Church: statements were part of internal disciplinary/governance matters (discipline policy, membership/status) and thus fall within ecclesiastical abstention	Held: Ecclesiastical abstention applies; the claim is inextricably intertwined with church discipline/governance and trial court lacks jurisdiction
Whether factual disputes (motivation/malice or procedural compliance with church rules) preclude dismissal	Nguyen: factual disputes about motive and whether church procedures were followed require resolution at trial	Church: even if motive disputed, the statements occurred in an ecclesiastical context (membership/discipline), so dispute is ecclesiastical as a matter of law	Held: Motive/procedure disputes do not defeat abstention; they are ecclesiastical questions and cannot be adjudicated by secular courts

Westbrook v. Penley, 231 S.W.3d 389 (Tex. 2007) (First Amendment bars civil-court review of matters intertwined with church discipline and governance)
Serbian E. Orthodox Diocese v. Milivojevich, 426 U.S. 696 (U.S. 1976) (civil courts may not adjudicate matters of church discipline, polity, or membership)
Masterson v. Diocese of Nw. Tex., 422 S.W.3d 594 (Tex. 2013) (courts may decide neutral secular disputes but must defer on ecclesiastical questions; apply neutral-principles limit)
Anderson v. Durant, 550 S.W.3d 605 (Tex. 2018) (elements of defamation under Texas law)
In re Godwin, 293 S.W.3d 742 (Tex. App.—San Antonio 2009) (defamation tied to church discipline falls within ecclesiastical abstention)
Jennison v. Prasifka, 391 S.W.3d 660 (Tex. App.—Dallas 2013) (defamatory statements made in connection with church disciplinary process are barred from civil adjudication)
Mouton v. Christian Faith Missionary Baptist Church, 498 S.W.3d 143 (Tex. App.—Houston [1st Dist.] 2016) (claims intertwined with pastor selection/expulsion are ecclesiastical and not justiciable)