1. Actus judiciarius coram non judice irritus habetur; de ministeriali autem a quocunque provenit ratum esto. A judicial act before one not a judge (or without jurisdiction) is void; as to a ministerial act, from whomsoever it proceeds, let it be valid.
  2. Admiralitas jurisdictionem non habet super iis quae communi lege dirimuntur. A court of admiralty has no jurisdiction over those things that are determined by common law.
  3. Aequitas jurisdictiones non confundit. Equity does not confuse jurisdictions.
  4. Boni judicis est ampliare jurisdictionem (or justitiam). It is the role of a good judge to enlarge (or use liberally) his jurisdiction (or remedial authority).
  5. Crimen trahit personam. The crime brings with it the person. • That is, the commission of a crime gives the courts of the place where it is committed jurisdiction over the person of the offender.
  6. Cui jurisdictio data est, ea quoque concessa esse videntur sine quibus jurisdictio explicari non potest. To whom jurisdiction is given, those things also are considered to be granted without which the jurisdiction cannot be exercised. • That is, the grant of jurisdiction implies the grant of all powers necessary to its exercise.
  7. Cujus juris (i.e., jurisdictionis) est principale, ejusdem juris erit accessorium. An accessory matter is subject to the same jurisdiction as its principal.
  8. Curia ecclesiastica locum non habet super iis quae juris sunt communis. An ecclesiastical court has no jurisdiction over matters of common law.
  9. Debet quis juri subjacere ubi delinquit. Any offender should be subject to the law of the place where he offends.
  10. Debita sequuntur personam debitoris. Debts follow the person of the debtor. • That is, debts belong to no locality and may be collected wherever the debtor can be found.
  11. Designatio justiciariorum est a rege; jurisdictio vero ordinaria a lege. The appointment of justices is by the king, but their ordinary jurisdiction is by the law.
  12. Est boni judicis ampliare jurisdictionem. It is the role of a good judge to extend the jurisdiction.
  13. Est boni judicis ampliare justitiam, non jurisdictionem. It is the role of a good judge to extend justice, not to enlarge jurisdiction.
  14. Extraneus est subditus qui extra terram, i.e. potestam regis, natus est. A foreigner is a subject who is born out of the territory — that is, the jurisdiction — of the king.
  15. Extra territorium jus dicenti impune non paretur. One who gives a judgment outside his jurisdiction is disobeyed with impunity. • There is no punishment for disobeying. Dig. 2.1.20.
  16. Extra territorium jus dicenti non paretur impune. One who gives a judgment outside his jurisdiction is not obeyed with impunity. • Anyone who executes such a judgment may be punished. 10 Coke 77.
  17. In executione sententiae alibi latae, servare jus loci in quo fit executio, non ubi res judicata. In the execution of a judgment rendered elsewhere (or abroad), (one must) observe the law of the place where the execution takes effect, not where the matter was adjudged.
  18. Judici officium suum excedenti non paretur. A judge who exceeds his office (or jurisdiction) is not obeyed.
  19. Judicium a non suo judice datum nullius est momenti. A judgment given by a person who is not its proper judge (not in the proper jurisdiction) is of no consequence. 10 Coke 76.
  20. Jurisdictio est potestas de publico introducta, cum necessitate juris dicendi. Jurisdiction is a power introduced for the public good, on account of the necessity of dispensing justice.
  21. Jurisdictionis mutare formam, vel iuri publico derogare, testatori permissum non est. It is impermissible for a testator to change the form of jurisdiction or to alter the public law. CJ 6.23.13.
  22. Locus actum regit. The place rules the act.
  23. Locus contractus regit actum. The place of the contract governs the act.
  24. Locus pro solutione reditus aut pecuniae secundum conditionem dimissionis aut obligationis est stricte observandus. The place for the payment of rent or money is to be strictly observed according to the condition of the lease or obligation.
  25. Nihil habet forum ex scena. The court has nothing to do with what is not before it.
  26. Nihil in lege intolerabilius est (quam) eandem rem diverso jure censeri. Nothing in law is more intolerable than that the same case should be subject (in different courts) to different views of the law.
  27. Nulla virtus, nulla scientia locum suum et dignitatem conservare potest sine modestia. Without moderation, no virtue, no knowledge can preserve its place and dignity.
  28. Par in parem non habet iurisdictionem. Equals have no jurisdiction over each other.
  29. Quaelibet jurisdictio cancellos suos habet. Every jurisdiction has its boundaries.
  30. Qui habet jurisdictionem absolvendi, habet jurisdictionem ligandi. One who has jurisdiction for dissolving (an obligation) has jurisdiction to bind.
  31. Rerum ordo confunditur, si unicuique jurisdictio non servetur. The order of things is confounded if the proper jurisdiction of each is not maintained.
  32. Ubi est forum, ibi ergo est jus. Where the forum (or place of jurisdiction) is, there accordingly is the law.

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