No decree entered pursuant to this title shall be subject to collateral attack on account of any irregularity if the court which entered it had jurisdiction to do so.
20 Pa.C.S. § 3358
Collateral attack
Known as the Probate, Estates and Fiduciaries Code
The act spans §§ 20-101 to 20-925 (744 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.